APA

Hickman J., . (1993). The Jepson Manual : Higher plants of California. Berkeley: University of California Press.

Chicago

Hickman J.c, . 1993. The Jepson Manual : Higher plants of California. Berkeley: University of California Press.

Harvard

Hickman J., . (1993). The Jepson Manual : Higher plants of California. Berkeley: University of California Press.

MLA

Hickman J.c, . The Jepson Manual : Higher plants of California. Berkeley: University of California Press. 1993.