APA (7th ed.) Citation

Marshall, R., & Slocum, N. (1940). Billy the Kid's pledge. Saalfield Publishing Company.

Chicago Style (17th ed.) Citation

Marshall, Robert, and Neil Slocum. Billy the Kid's Pledge. Akron, Ohio: Saalfield Publishing Company, 1940.

MLA (9th ed.) Citation

Marshall, Robert, and Neil Slocum. Billy the Kid's Pledge. Saalfield Publishing Company, 1940.