Cita APA (7a ed.)

Montague, M. (1978). Peter's problem: By Murray Montague. Blueboy.

Cita Chicago Style (17a ed.)

Montague, Murray. Peter's Problem: By Murray Montague. Miami, Fla.: Blueboy, 1978.

Cita MLA (8a ed.)

Montague, Murray. Peter's Problem: By Murray Montague. Blueboy, 1978.