APA (7th ed.) Citation

Calvert, R. A., & De León, A. (1990). The history of Texas. H. Davidson.

Chicago Style (17th ed.) Citation

Calvert, Robert A., and Arnoldo De León. The History of Texas. Arlington Heights, Ill.: H. Davidson, 1990.

MLA (8th ed.) Citation

Calvert, Robert A., and Arnoldo De León. The History of Texas. H. Davidson, 1990.