APA (7th ed.) Citation

Helm, J. (1978). Subarctic. Smithsonian Institute.

Chicago Style (17th ed.) Citation

Helm, June. Subarctic. Washington: Smithsonian Institute, 1978.

MLA (8th ed.) Citation

Helm, June. Subarctic. Smithsonian Institute, 1978.

Warning: These citations may not always be 100% accurate.