APA (7th ed.) Citation

Hanna, G. D. (1923). Some Eocene Foraminifera near Vacaville, California. University of California Press.

Chicago Style (17th ed.) Citation

Hanna, G. Dallas. Some Eocene Foraminifera Near Vacaville, California. Berkeley, Calif.: University of California Press, 1923.

MLA (9th ed.) Citation

Hanna, G. Dallas. Some Eocene Foraminifera Near Vacaville, California. University of California Press, 1923.