Cita APA

O'Donnell, M., Hoopes, F., & Hoopes, M. C. (1954). The new engine whistles (1954 edition.). Row, Peterson and Company.

Chicago Style (17th ed.) Citation

O'Donnell, Mabel, Florence Hoopes, i Margaret Campbell Hoopes. The New Engine Whistles. 1954 edition. Evanston, Illinois ; White Plains, New York: Row, Peterson and Company, 1954.

Cita MLA

O'Donnell, Mabel, et al. The New Engine Whistles. 1954 edition. Row, Peterson and Company, 1954.