Cita APA (7a ed.)

Sherman, J. G. (1974). PSI: personalized system of instruction: 41 germinal papers. W. A. Benjamin.

Cita Chicago Style (17a ed.)

Sherman, J. Gilmour. PSI: Personalized System of Instruction: 41 Germinal Papers. Menlo Park, Calif.: W. A. Benjamin, 1974.

Cita MLA (8a ed.)

Sherman, J. Gilmour. PSI: Personalized System of Instruction: 41 Germinal Papers. W. A. Benjamin, 1974.