APA (7th ed.) Citation

Murray, R. A., & Eggenhofer, N. (1970). Citadel on the Santa Fe Trail. [Old Army Press].

Chicago Style (17th ed.) Citation

Murray, Robert A., and Nicholas Eggenhofer. Citadel on the Santa Fe Trail. [Bellevue, Neb.]: [Old Army Press], 1970.

MLA (9th ed.) Citation

Murray, Robert A., and Nicholas Eggenhofer. Citadel on the Santa Fe Trail. [Old Army Press], 1970.