APA (7th ed.) Citation

Gerhard, J., & Winterton, R. The summe of Christian doctrine.

Chicago Style (17th ed.) Citation

Gerhard, Johann, and Ralph Winterton. The Summe of Christian Doctrine.

MLA (9th ed.) Citation

Gerhard, Johann, and Ralph Winterton. The Summe of Christian Doctrine.

Warning: These citations may not always be 100% accurate.