APA (7th ed.) Citation

Hoover, W. L., Anderson, W. B., Langston, R., Richardson, L. R., Runkles, J. R., & Whealy, R. D. (1966). Retention of zinc by soils as related to mineralogy and extraction methods. [publisher not identified].

Chicago Style (17th ed.) Citation

Hoover, William Leroy, Warren B. Anderson, Ruble Langston, L. R. Richardson, J. R. Runkles, and Roger D. Whealy. Retention of Zinc by Soils as Related to Mineralogy and Extraction Methods. [Place of publication not identified]: [publisher not identified], 1966.

MLA (9th ed.) Citation

Hoover, William Leroy, et al. Retention of Zinc by Soils as Related to Mineralogy and Extraction Methods. [publisher not identified], 1966.