Cita APA (7a ed.)

Gregory, O. B., Kesteven, P., & Winters, S. (1977). Charles I. Wheaton.

Cita Chicago Style (17a ed.)

Gregory, O. B., Peter Kesteven, y Susan Winters. Charles I. Exeter: Wheaton, 1977.

Cita MLA (9a ed.)

Gregory, O. B., et al. Charles I. Wheaton, 1977.