APA (7th ed.) Citation

Dawson, M. D., Gelderman, F. W., & Knox, E. G. (1997). A guide to soil classification. Oregon State University Book Stores.

Chicago Style (17th ed.) Citation

Dawson, M. D., F. W. Gelderman, and E. G. Knox. A Guide to Soil Classification. Corvallis, Oregon: Oregon State University Book Stores, 1997.

MLA (9th ed.) Citation

Dawson, M. D., et al. A Guide to Soil Classification. Oregon State University Book Stores, 1997.