APA (7th ed.) Citation

Purseglove, J. W. (1968). Tropical crops: Dicotyledons. Longmans.

Chicago Style (17th ed.) Citation

Purseglove, J. W. Tropical Crops: Dicotyledons. London: Longmans, 1968.

MLA (9th ed.) Citation

Purseglove, J. W. Tropical Crops: Dicotyledons. Longmans, 1968.

Warning: These citations may not always be 100% accurate.