Cita APA (7a ed.)
Bertram, G. (1974). Conservation of Sirenia: Current status and perspectives for action. IUCN.
Cita Chicago Style (17a ed.)
Bertram, G.L.C. Conservation of Sirenia: Current Status and Perspectives for Action. Morges: IUCN, 1974.
Cita MLA (9a ed.)
Bertram, G.L.C. Conservation of Sirenia: Current Status and Perspectives for Action. IUCN, 1974.
Precaución: Estas citas no son 100% exactas.