APA-viite

Cobley, L. S. (1976). Introdcution to the botany of tropical crops (2.). ELBS.

Chicago-tyylinen lähdeviittaus

Cobley, L S. Introdcution to the Botany of Tropical Crops. 2. London: ELBS, 1976.

MLA-viite

Cobley, L S. Introdcution to the Botany of Tropical Crops. 2. ELBS, 1976.