APA (7th ed.) Citation

Gilkey, H. M., & Dennis, L. R. J. (1975). Handbook of Northwestern plants. Oregon State University Bookstores.

Chicago Style (17th ed.) Citation

Gilkey, Helen M., and La Rea J. Dennis. Handbook of Northwestern Plants. Corvallis: Oregon State University Bookstores, 1975.

MLA (9th ed.) Citation

Gilkey, Helen M., and La Rea J. Dennis. Handbook of Northwestern Plants. Oregon State University Bookstores, 1975.

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