APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.