Citazione APA

Edgar & Lamb, B. M. (1975). Illustrated reference on cacti and other succulents .V.4. Bland Ford Press.

Stile di citazione Chicago

Edgar e B M. Lamb. Illustrated Reference on Cacti and Other Succulents .V.4. Poole: Bland Ford Press, 1975.

Citazione MLA

Edgar e B M. Lamb. Illustrated Reference on Cacti and Other Succulents .V.4. Bland Ford Press, 1975.