Cita APA (7a ed.)

Somer, E., Ben-Aryeh, H., & Laufer, D. (1993). Salivary composition, gender and psychosocial stress. [s.n.].

Cita Chicago Style (17a ed.)

Somer, Eli, Hannah Ben-Aryeh, y Dov Laufer. Salivary Composition, Gender and Psychosocial Stress. [S.l.]: [s.n.], 1993.

Cita MLA (9a ed.)

Somer, Eli, et al. Salivary Composition, Gender and Psychosocial Stress. [s.n.], 1993.