APA (7th ed.) Citation

Helm, P. (2009). John Calvin's ideas (Reprint.). Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Helm, Paul. John Calvin's Ideas. Reprint. Oxford [u.a.]: Oxford Univ. Press, 2009.

MLA (9th ed.) Citation

Helm, Paul. John Calvin's Ideas. Reprint. Oxford Univ. Press, 2009.