APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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