APA (7th ed.) Citation

Grillos, S. J. (1966). Ferns and fern allies of California. University of California Press.

Chicago Style (17th ed.) Citation

Grillos, Steve J. Ferns and Fern Allies of California. Berkeley: University of California Press, 1966.

MLA (9th ed.) Citation

Grillos, Steve J. Ferns and Fern Allies of California. University of California Press, 1966.