APA (7th ed.) Citation

Alter, R. E. (1975). The trail of Billy the kid. Belmont Paper.

Chicago Style (17th ed.) Citation

Alter, Roberts Edmond. The Trail of Billy the Kid. New York: Belmont Paper, 1975.

MLA (8th ed.) Citation

Alter, Roberts Edmond. The Trail of Billy the Kid. Belmont Paper, 1975.