APA (7th ed.) Citation

Shacklette, H. T. (1965). Element content of bryophytes. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Shacklette, Hansford T. Element Content of Bryophytes. Washington, D.C.: United States Department of the Interior, Geological Survey, 1965.

MLA (9th ed.) Citation

Shacklette, Hansford T. Element Content of Bryophytes. United States Department of the Interior, Geological Survey, 1965.