Gaya APA

Hilgard, R, L, A, ,, R, C, A, &, E, R. (1981). Introduction to Psychology (8). New York: Harcourt Brace Jovanovich.

Gaya MLA

Hilgard, Rita, L., Atkinson, ,, Richard, C., Atkinson, &, Ernest, R.. "Introduction to Psychology". 8 New York: Harcourt Brace Jovanovich, 1981. Text.