Cita APA (7th ed.)

ebrary, Inc, & Nobel, P. S. (2002). Cacti: Biology and uses. University of California Press.

Cita Chicago (17th ed.)

ebrary, Inc, i Park S. Nobel. Cacti: Biology and Uses. Berkeley: University of California Press, 2002.

Cita MLA (9th ed.)

ebrary, Inc, i Park S. Nobel. Cacti: Biology and Uses. University of California Press, 2002.