APA (7th ed.) Citation

Calkins, H. L. (1960). Master preachers: Their study and devotional habits. Review and Herald.

Chicago Style (17th ed.) Citation

Calkins, Harold L. Master Preachers: Their Study and Devotional Habits. Washington, D.C: Review and Herald, 1960.

MLA (9th ed.) Citation

Calkins, Harold L. Master Preachers: Their Study and Devotional Habits. Review and Herald, 1960.