APA (7th ed.) Citation

Bachelor, J. M. 1. . . e., & Henry, R. L. j. e. (1928). Challenging essays in modern thought (second series). Century.

Chicago Style (17th ed.) Citation

Bachelor, Joseph Morris 1889- ed, and Ralph Ledyard joint ed Henry. Challenging Essays in Modern Thought (second Series). New York: Century, 1928.

MLA (9th ed.) Citation

Bachelor, Joseph Morris 1889- ed, and Ralph Ledyard joint ed Henry. Challenging Essays in Modern Thought (second Series). Century, 1928.