Cita APA (7a ed.)

O'Donnell, M., Munro, R., Hoopes, F., & Hoopes, M. (1970). The Janet und John books. Nisbet.

Cita Chicago Style (17a ed.)

O'Donnell, Mabel, Rona Munro, Florence Hoopes, y Margaret Hoopes. The Janet Und John Books. Welwyn: Nisbet, 1970.

Cita MLA (9a ed.)

O'Donnell, Mabel, et al. The Janet Und John Books. Nisbet, 1970.