APA (7th ed.) Citation

Beckett, K. A. (1983). The concise encyclopedia of garden plants. Orbis Pub..

Chicago Style (17th ed.) Citation

Beckett, Kenneth A. The Concise Encyclopedia of Garden Plants. London: Orbis Pub., 1983.

MLA (9th ed.) Citation

Beckett, Kenneth A. The Concise Encyclopedia of Garden Plants. Orbis Pub., 1983.