Cita APA (7a ed.)

Sykes, S. (1971). An introduction to christian theology today. John Knox Press.

Cita Chicago Style (17a ed.)

Sykes, Stephen. An Introduction to Christian Theology Today. Atlanta: John Knox Press, 1971.

Cita MLA (9a ed.)

Sykes, Stephen. An Introduction to Christian Theology Today. John Knox Press, 1971.