APA

Barbour M. G., Major J., . (1977). Terrestrial vegetation of California. New York: John Wiley.

Chicago

Barbour Michael G, Major Jack, . 1977. Terrestrial vegetation of California. New York: John Wiley.

Harvard

Barbour M. G., Major J., . (1977). Terrestrial vegetation of California. New York: John Wiley.

MLA

Barbour Michael G, Major Jack, . Terrestrial vegetation of California. New York: John Wiley. 1977.