Davidson, H. G., & Borein, E. (1974). Edward Borein - cowboy artist: The life and works of John Edward Borein 1872 - 1945 / Harold G. Davidson (1. Auflage.). Doubleday.
Citazione stile Chigago Style (17a edizione)Davidson, Harold G., e Edward Borein. Edward Borein - Cowboy Artist: The Life and Works of John Edward Borein 1872 - 1945 / Harold G. Davidson. 1. Auflage. Garden City, NY: Doubleday, 1974.
Citatione MLA (8a ed.)Davidson, Harold G., e Edward Borein. Edward Borein - Cowboy Artist: The Life and Works of John Edward Borein 1872 - 1945 / Harold G. Davidson. 1. Auflage. Doubleday, 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.