APA (7th ed.) Citation

Boyd, L. A., & Boyd, G. o. L. A. (1933). Greenland, Gregory Glacier at Louise Boyd Land, now Northeast Greenland National Park.

Chicago Style (17th ed.) Citation

Boyd, Louise Arner, and Gift of Louise A. Boyd. Greenland, Gregory Glacier at Louise Boyd Land, Now Northeast Greenland National Park. 1933.

MLA (9th ed.) Citation

Boyd, Louise Arner, and Gift of Louise A. Boyd. Greenland, Gregory Glacier at Louise Boyd Land, Now Northeast Greenland National Park. 1933.

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