Cita APA (7a ed.)

Mountfort, G. (1969). The Vanishing Jungle. World Wildlife Fund.

Cita Chicago Style (17a ed.)

Mountfort, Guy. The Vanishing Jungle. London: World Wildlife Fund, 1969.

Cita MLA (9a ed.)

Mountfort, Guy. The Vanishing Jungle. World Wildlife Fund, 1969.