APA (7th ed.) Citation

Howell, E. M. Hermann Stieffel, Soldier Artist of the West.

Chicago Style (17th ed.) Citation

Howell, Edgar M. Hermann Stieffel, Soldier Artist of the West.

MLA (9th ed.) Citation

Howell, Edgar M. Hermann Stieffel, Soldier Artist of the West.

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