APA (7. basım) Alıntı

Leatherwood, S., & Reeves, R. R. (1991). Marine mammal research and conservation in Sri Lanka 1985-1986 (2nd edition.). UNEP.

Chicago Style (17. basım) Atıf

Leatherwood, Stephen, ve Randall R. Reeves. Marine Mammal Research and Conservation in Sri Lanka 1985-1986. 2nd edition. Narrobi, Kenya: UNEP, 1991.

MLA (9th ed.) Atıf

Leatherwood, Stephen, ve Randall R. Reeves. Marine Mammal Research and Conservation in Sri Lanka 1985-1986. 2nd edition. UNEP, 1991.