APA (7th ed.) Citation

Hobson, J. A. (1921). Problems of a new world. Macm.

Chicago Style (17th ed.) Citation

Hobson, John Atkinson. Problems of a New World. New York: Macm, 1921.

MLA (9th ed.) Citation

Hobson, John Atkinson. Problems of a New World. Macm, 1921.

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