APA (7th ed.) Citation

Cannon, H. L., Bastron, H., & Shacklette, H. T. (1968). Metal absorption by Equistetum (Horsetail): A study of the metal content of horsetail plants as related to the amounts of metals in the soil on which they grew. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Cannon, Helen L., Harry Bastron, and Hansford T. Shacklette. Metal Absorption by Equistetum (Horsetail): A Study of the Metal Content of Horsetail Plants as Related to the Amounts of Metals in the Soil on Which They Grew. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1968.

MLA (9th ed.) Citation

Cannon, Helen L., et al. Metal Absorption by Equistetum (Horsetail): A Study of the Metal Content of Horsetail Plants as Related to the Amounts of Metals in the Soil on Which They Grew. United States Department of the Interior, Geological Survey, 1968.