APA (7th ed.) Citation

Keen, R. (2018). Luther and the Papacy. Martin Luther in context, 92-99.

Chicago Style (17th ed.) Citation

Keen, Ralph. "Luther and the Papacy." Martin Luther in Context 2018: 92-99.

MLA (9th ed.) Citation

Keen, Ralph. "Luther and the Papacy." Martin Luther in Context, 2018, pp. 92-99.

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