APA
FAO, Jefferson T. A., Leatherwood S. & Webber M. A. (1993). Marine mammals of the world. Rome: FAO.
Chicago
FAO, Jefferson Thomas A, Leatherwood Stephen and Webber Marc A. 1993. Marine mammals of the world. Rome: FAO.
Harvard
FAO, Jefferson T. A., Leatherwood S. and Webber M. A. (1993). Marine mammals of the world. Rome: FAO.
MLA
FAO, Jefferson Thomas A, Leatherwood Stephen and Webber Marc A. Marine mammals of the world. Rome: FAO. 1993.
