APA (7th ed.) Citation

Perl, P., & Ferorelli, E. (1978). Cacti and succulents. Time-Life Books.

Chicago Style (17th ed.) Citation

Perl, Philip, and Enrico Ferorelli. Cacti and Succulents. Alexandria, Va.: Time-Life Books, 1978.

MLA (9th ed.) Citation

Perl, Philip, and Enrico Ferorelli. Cacti and Succulents. Time-Life Books, 1978.