APA (7th ed.) Citation

Gilkey, H. M. (1945). Northwestern American plants. Oregon State College ; College Press.

Chicago Style (17th ed.) Citation

Gilkey, Helen M. Northwestern American Plants. Corvallis, Or.: Oregon State College ; College Press, 1945.

MLA (8th ed.) Citation

Gilkey, Helen M. Northwestern American Plants. Oregon State College ; College Press, 1945.

Warning: These citations may not always be 100% accurate.