APA (7th ed.) Citation

Hartt, R. L. (1909). The people at play. Houghton Mifflin Co..

Chicago Style (17th ed.) Citation

Hartt, Rollin Lynde. The People at Play. Boston New York: Houghton Mifflin Co., 1909.

MLA (8th ed.) Citation

Hartt, Rollin Lynde. The People at Play. Houghton Mifflin Co., 1909.