• If you are citing a source with two authors, the surname of both of the authors should be listed in your in-text citation. You should keep the names in the same order as they are in the source.
• The surname and initial(s) of both the authors should appear in the full reference for the source. Use a comma to separate them (as well as an ampersand).
• The rest of the reference should follow the usual style for the type of source you are citing.  

In-text citation: (Reiss & White, 2013, p.6)