Cita APA (7th ed.)

Stephens, W. M., & Stephens, P. (1968). Octopus lives in the ocean. Holiday House.

Cita Chicago (17th ed.)

Stephens, William M., i Peggy Stephens. Octopus Lives in the Ocean. New York: Holiday House, 1968.

Cita MLA (9th ed.)

Stephens, William M., i Peggy Stephens. Octopus Lives in the Ocean. Holiday House, 1968.