Cita APA (7th ed.)

Cerf, b. (1972). The sound of laughter. Bantam.

Cita Chicago (17th ed.)

Cerf, bennett. The Sound of Laughter. New york: Bantam, 1972.

Cita MLA (9th ed.)

Cerf, bennett. The Sound of Laughter. Bantam, 1972.