APA (7th ed.) Citation

Smith, H. F. (1965). John Muir. Twayne.

Chicago Style (17th ed.) Citation

Smith, Herbert Franklin. John Muir. New York: Twayne, 1965.

MLA (9th ed.) Citation

Smith, Herbert Franklin. John Muir. Twayne, 1965.

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