APA (7th ed.) Citation

Curtis, H. S. (1920). Education through play / by H.S. Curtis. Macmillan.

Chicago Style (17th ed.) Citation

Curtis, H. S. Education Through Play / by H.S. Curtis. Macmillan, 1920.

MLA (9th ed.) Citation

Curtis, H. S. Education Through Play / by H.S. Curtis. Macmillan, 1920.

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