APA (7th ed.) Citation

Lamb, B. M. (1991). A guide to cacti of the world. Collins Angus & Robertson.

Chicago Style (17th ed.) Citation

Lamb, Brian M. A Guide to Cacti of the World. North Ryde, NSW: Collins Angus & Robertson, 1991.

MLA (9th ed.) Citation

Lamb, Brian M. A Guide to Cacti of the World. Collins Angus & Robertson, 1991.

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