APA (7th ed.) Citation

Herbert, H. W. The Silent Rifleman! A tale of the Texan prairies.

Chicago Style (17th ed.) Citation

Herbert, Henry William. The Silent Rifleman! A Tale of the Texan Prairies.

MLA (9th ed.) Citation

Herbert, Henry William. The Silent Rifleman! A Tale of the Texan Prairies.

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