APA (7th ed.) Citation

Halliday, W. R. (1959). Adventure is underground: The story of the great caves of the West and the men who explore them. Harper.

Chicago Style (17th ed.) Citation

Halliday, William R. Adventure Is Underground: The Story of the Great Caves of the West and the Men Who Explore Them. New York: Harper, 1959.

MLA (9th ed.) Citation

Halliday, William R. Adventure Is Underground: The Story of the Great Caves of the West and the Men Who Explore Them. Harper, 1959.