APA (7th ed.) Citation

Sonnichsen, C. L., & Morrison, W. V. (1955). Alias Billy the Kid. Univ. of New Mexico Press.

Chicago Style (17th ed.) Citation

Sonnichsen, Charles L., and William Vincent Morrison. Alias Billy the Kid. Albuquerque: Univ. of New Mexico Press, 1955.

MLA (9th ed.) Citation

Sonnichsen, Charles L., and William Vincent Morrison. Alias Billy the Kid. Univ. of New Mexico Press, 1955.