Cita APA (7a ed.)

Barbour, I. G. (1990). Religion in an age of science. HarperSanFrancisco.

Cita Chicago Style (17a ed.)

Barbour, Ian G. Religion in an Age of Science. San Francisco: HarperSanFrancisco, 1990.

Cita MLA (9a ed.)

Barbour, Ian G. Religion in an Age of Science. HarperSanFrancisco, 1990.