Cita APA (7a ed.)

Joslin, P. (1968). Endangered birds of the world: Report on status and action treatment. IUCN.

Cita Chicago Style (17a ed.)

Joslin, Paul. Endangered Birds of the World: Report on Status and Action Treatment. Morges: IUCN, 1968.

Cita MLA (9a ed.)

Joslin, Paul. Endangered Birds of the World: Report on Status and Action Treatment. IUCN, 1968.