APA (7th ed.) Citation

Reeves, R. R., Steward, B. S., & Leatherwood, S. (1992). The Sierra Club handbook of seals and sirenians. Sierra Club Books.

Chicago Style (17th ed.) Citation

Reeves, Randall R., Brent S. Steward, and Stephen Leatherwood. The Sierra Club Handbook of Seals and Sirenians. San Francisco: Sierra Club Books, 1992.

MLA (9th ed.) Citation

Reeves, Randall R., et al. The Sierra Club Handbook of Seals and Sirenians. Sierra Club Books, 1992.