Cita APA (7a ed.)

Petre, M. D. (1896). Aethiopum servus: A study in Christian altruism. Osgood, McIlvaine.

Cita Chicago Style (17a ed.)

Petre, Maude Dominica. Aethiopum Servus: A Study in Christian Altruism. London: Osgood, McIlvaine, 1896.

Cita MLA (8a ed.)

Petre, Maude Dominica. Aethiopum Servus: A Study in Christian Altruism. Osgood, McIlvaine, 1896.