Cita APA (7a ed.)

Michael, M. M., Synon, M., & Johnson, G. (1955). This is our land (New ed.). Ginn.

Cita Chicago Style (17a ed.)

Michael, Margaret M., Mary Synon, y George Johnson. This Is Our Land. New ed. Boston: Ginn, 1955.

Cita MLA (8a ed.)

Michael, Margaret M., et al. This Is Our Land. New ed. Ginn, 1955.