APA (7th ed.) Citation

Howe, M. A. (1932). The geologic importance of the lime-secreting algae with a description of a new travertine-forming organism. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Howe, Marshall A. The Geologic Importance of the Lime-secreting Algae with a Description of a New Travertine-forming Organism. Washington: United States Department of the Interior, Geological Survey, 1932.

MLA (9th ed.) Citation

Howe, Marshall A. The Geologic Importance of the Lime-secreting Algae with a Description of a New Travertine-forming Organism. United States Department of the Interior, Geological Survey, 1932.