Cita APA (7a ed.)

International Union for the Protection of Nature. (1954). The position of nature protection throughout the world in 1950. Wildlife Management Institute, Washington.

Cita Chicago Style (17a ed.)

International Union for the Protection of Nature. The Position of Nature Protection Throughout the World in 1950. Brussels: Wildlife Management Institute, Washington, 1954.

Cita MLA (9a ed.)

International Union for the Protection of Nature. The Position of Nature Protection Throughout the World in 1950. Wildlife Management Institute, Washington, 1954.