APA (7th ed.) Citation

Jefferson, T. A., & Leatherwood, S. (1993). Marine mammals of the world. FAO.

Chicago Style (17th ed.) Citation

Jefferson, Thomas A., and Stephen Leatherwood. Marine Mammals of the World. Rome: FAO, 1993.

MLA (9th ed.) Citation

Jefferson, Thomas A., and Stephen Leatherwood. Marine Mammals of the World. FAO, 1993.

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