Cita APA (7a ed.)

Ferguson, J. (1978). Pelagius: A historical and theological study. AMS Press.

Cita Chicago Style (17a ed.)

Ferguson, John. Pelagius: A Historical and Theological Study. New York: AMS Press, 1978.

Cita MLA (9a ed.)

Ferguson, John. Pelagius: A Historical and Theological Study. AMS Press, 1978.