Gaya APA

[et.al.], M, O. (2015). Cool Guys and Warm Husbands: The Effect of Smiling on Male Facial Attractiveness for Short- and Long-Term Relationships (2015: 1–8). U.S.A: SAGE.

Gaya MLA

[et.al.], Matia, Okubo. "Cool Guys and Warm Husbands: The Effect of Smiling on Male Facial Attractiveness for Short- and Long-Term Relationships". 2015: 1–8 U.S.A: SAGE, 2015. e-journal.