APA (7th ed.) Citation

Raven, P. H., & Axelrod, D. I. (1978). Origin and relationships of the California flora. Univ. of California Press.

Chicago Style (17th ed.) Citation

Raven, Peter H., and Daniel Isaac Axelrod. Origin and Relationships of the California Flora. Berkeley: Univ. of California Press, 1978.

MLA (9th ed.) Citation

Raven, Peter H., and Daniel Isaac Axelrod. Origin and Relationships of the California Flora. Univ. of California Press, 1978.