APA (7th ed.) Citation

O'Donnell, M., Hoopes, F., & Hoopes, M. C. (1955). The new round about. Row, Peterson & Company.

Chicago Style (17th ed.) Citation

O'Donnell, Mabel, Florence Hoopes, and Margaret Campbell Hoopes. The New Round About. Evanston, Illinois: Row, Peterson & Company, 1955.

MLA (8th ed.) Citation

O'Donnell, Mabel, et al. The New Round About. Row, Peterson & Company, 1955.