APA引文

Gewald, N., & Rosero, P. (1979). Growth of laurel (Cordia alliodora) in coffee and cacao plantations and pastures in the atlantic region of Costa Rica.

Citación estilo Chicago

Gewald, N., y P. Rosero. Growth of Laurel (Cordia Alliodora) in Coffee and Cacao Plantations and Pastures in the Atlantic Region of Costa Rica. 1979.

MLA引文

Gewald, N., y P. Rosero. Growth of Laurel (Cordia Alliodora) in Coffee and Cacao Plantations and Pastures in the Atlantic Region of Costa Rica. 1979.

警告：這些引文格式不一定是100％准確.