APA (7e ed.) Bronvermelding

Austerman, W. R. (1985). Sharps rifles and Spanish mules: The San Antonio--El Paso mail, 1851-1881. Texas A & M University Press.

Chicago (17e ed.) Bronvermelding

Austerman, Wayne R. Sharps Rifles and Spanish Mules: The San Antonio--El Paso Mail, 1851-1881. College Station: Texas A & M University Press, 1985.

MLA (9e ed.) Bronvermelding

Austerman, Wayne R. Sharps Rifles and Spanish Mules: The San Antonio--El Paso Mail, 1851-1881. Texas A & M University Press, 1985.