Cita APA (7a ed.)

Calayag, R. J. F. (2000). What makes people laugh? Mr. & Ms..

Cita Chicago Style (17a ed.)

Calayag, Roulee Jane F. "What Makes People Laugh?" Mr. & Ms. 2000.

Cita MLA (9a ed.)

Calayag, Roulee Jane F. "What Makes People Laugh?" Mr. & Ms., 2000.