APA (7th ed.) Citation

Ornduff, R. (1974). An introduction to California plant life. University of California Press.

Chicago Style (17th ed.) Citation

Ornduff, Robert. An Introduction to California Plant Life. Berkeley ; Los Angeles ; London: University of California Press, 1974.

MLA (9th ed.) Citation

Ornduff, Robert. An Introduction to California Plant Life. University of California Press, 1974.