Cita APA (7a ed.)

John Henry Newman, S., & Weigel, G. (1960). An essay on the development of Christian doctrine. Doubleday.

Cita Chicago Style (17a ed.)

John Henry Newman, Santo, y Gustave Weigel. An Essay on the Development of Christian Doctrine. Garden City, New York: Doubleday, 1960.

Cita MLA (9a ed.)

John Henry Newman, Santo, y Gustave Weigel. An Essay on the Development of Christian Doctrine. Doubleday, 1960.