Cita APA (7a ed.)

Holloway, M. R. (1959). An introduction to natural theology. Appleton-Century-Crofts.

Cita Chicago Style (17a ed.)

Holloway, Maurice R. An Introduction to Natural Theology. New York: Appleton-Century-Crofts, 1959.

Cita MLA (9a ed.)

Holloway, Maurice R. An Introduction to Natural Theology. Appleton-Century-Crofts, 1959.