Cita APA

Raven, P. H. 1., & Axelrod, D. I. (1978). Origin and relationships of the California flora. Berkeley: University of California Press.

Citación estilo Chicago

Raven, Peter Hamilton 1936-, y Daniel I. Axelrod. Origin and Relationships of the California Flora. Berkeley: University of California Press, 1978.

Cita MLA

Raven, Peter Hamilton 1936-, y Daniel I. Axelrod. Origin and Relationships of the California Flora. Berkeley: University of California Press, 1978.