APA (7th ed.) Citation

CUNNINGHAM, E. (1957). Triggernometry. [Biographical sketches of some famous nineteenth century American gunmen.]. Transworld Publishers.

Chicago Style (17th ed.) Citation

CUNNINGHAM, Eugene. Triggernometry. [Biographical Sketches of Some Famous Nineteenth Century American Gunmen.]. London: Transworld Publishers, 1957.

MLA (9th ed.) Citation

CUNNINGHAM, Eugene. Triggernometry. [Biographical Sketches of Some Famous Nineteenth Century American Gunmen.]. Transworld Publishers, 1957.