Cita APA (7a ed.)

Johnstone, W. W., & Johnstone, J. A. (2022). Old cowboys never die (First Kensington hardcover edition.). Kensington Publishing Corp..

Cita Chicago Style (17a ed.)

Johnstone, William W., y J. A. Johnstone. Old Cowboys Never Die. First Kensington hardcover edition. New York: Kensington Publishing Corp., 2022.

Cita MLA (8a ed.)

Johnstone, William W., y J. A. Johnstone. Old Cowboys Never Die. First Kensington hardcover edition. Kensington Publishing Corp., 2022.

Precaución: Estas citas no son 100% exactas.