Gaya APA

ZIMBARDO, P, G., Maslach, C. (1977). Psycology For Our Times (Second Edition). London: Scott, Foresman and Company.

Gaya MLA

ZIMBARDO, Philip, G.., Maslach, Chistina. "Psycology For Our Times". Second Edition London: Scott, Foresman and Company, 1977. Text.