APA (7th ed.) Citation

O'Donnell, M., Carey, A., Hoopes, F., & Hoopes, M. C. (1936). Round about. Row, Peterson and Company.

Chicago Style (17th ed.) Citation

O'Donnell, Mabel, Alice Carey, Florence Hoopes, and Margaret Campbell Hoopes. Round About. New York, Evanston, Illinois, San Francisco: Row, Peterson and Company, 1936.

MLA (8th ed.) Citation

O'Donnell, Mabel, et al. Round About. Row, Peterson and Company, 1936.