APA (7e ed.) Bronvermelding

Squire, D. (1994). Cacti & succulents. Tiger Books International.

Chicago (17e ed.) Bronvermelding

Squire, David. Cacti & Succulents. London: Tiger Books International, 1994.

MLA (9e ed.) Bronvermelding

Squire, David. Cacti & Succulents. Tiger Books International, 1994.