If you are citing two or more sources by the same author that were published in the same year first alphabetize the sources by title and then add the lowercase letters a b c and so forth to the end of the publication years starting with the first source.

In text citation apa with two authors same last name. Only list authors surnames once for each list of dates. Bornstein The other authors listed are either as Laurence Steinberg or Marc H. MLA style calls for the author-page citation style for in-text citations.

Ehrlich and Ehrlich underlined. The reference list entries are written normally. Ehrlich P Ehrlich A.

In your case you have a single book authored by two people with the same surname but different initials. If there are three or more authors only include the first authors last name followed by et al meaning and others. In-text citation according to the Purdue Online Writing Lab.

APA Citing an author with two last names. If the first authors of multiple references share the same surname and the same initials cite the works in the. A Work by Two Authors.

Your in-text citation would look like this. Name both authors in the signal phrase or in parentheses each time you cite the work. The other authors listed are either as Laurence Steinberg or Marc H.

To prevent confusion use first initials with the last names. Second you can include both. This video outlines how you can create in-text citations for two separate works whose authors have the same surname in accordance with APAs seventh edition.