Cita APA (7th ed.)
Sykes, S. (1971). An introduction to christian theology today. John Knox Press.
Cita Chicago (17th ed.)
Sykes, Stephen. An Introduction to Christian Theology Today. Atlanta: John Knox Press, 1971.
Cita MLA (9th ed.)
Sykes, Stephen. An Introduction to Christian Theology Today. John Knox Press, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.