Cita APA (7a ed.)

Ruch, F. L. (1967). Psychology and life (7th. ed.). Scott, Foresman.

Cita Chicago Style (17a ed.)

Ruch, Floyd L. Psychology and Life. 7th. ed. Glenview: Scott, Foresman, 1967.

Cita MLA (9a ed.)

Ruch, Floyd L. Psychology and Life. 7th. ed. Scott, Foresman, 1967.