APA (7th ed.) Citation

Martin, J. C., & Martin, R. S. (1999). Maps of Texas and the Southwest, 1513-1900. Texas State Historical Association.

Chicago Style (17th ed.) Citation

Martin, James C., and Robert Sidney Martin. Maps of Texas and the Southwest, 1513-1900. Austin: Texas State Historical Association, 1999.

MLA (9th ed.) Citation

Martin, James C., and Robert Sidney Martin. Maps of Texas and the Southwest, 1513-1900. Texas State Historical Association, 1999.