Citazione Stile APA (7a Edizione)

Ewusie, J. Y. (1980). Elements of tropical ecology: With reference to the African, Asian, Pacific and new world tropics. HEB.

Citazione stile Chigago Style (17a edizione)

Ewusie, J. Yanney. Elements of Tropical Ecology: With Reference to the African, Asian, Pacific and New World Tropics. London: HEB, 1980.

Citatione MLA (9a ed.)

Ewusie, J. Yanney. Elements of Tropical Ecology: With Reference to the African, Asian, Pacific and New World Tropics. HEB, 1980.