APA (7th ed.) Citation

Griggs, R. F. R. F. G. 1. (1922). The Valley of Ten Thousand Smokes. National Geographic Society.

Chicago Style (17th ed.) Citation

Griggs, Robert F. Robert Fiske Griggs 1881. The Valley of Ten Thousand Smokes. Washington: National Geographic Society, 1922.

MLA (9th ed.) Citation

Griggs, Robert F. Robert Fiske Griggs 1881. The Valley of Ten Thousand Smokes. National Geographic Society, 1922.

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