APA (7th ed.) Citation

Chambers, R. W., & Keller, A. I. (1914). The hidden children. D. Appleton and Co..

Chicago Style (17th ed.) Citation

Chambers, Robert W., and Arthur Ignatius Keller. The Hidden Children. New York and London: D. Appleton and Co., 1914.

MLA (9th ed.) Citation

Chambers, Robert W., and Arthur Ignatius Keller. The Hidden Children. D. Appleton and Co., 1914.