APA (7th ed.) Citation

Clay, J. V. (1987). Spain, Mexico and the lower Trinity: An early history of the Texas Gulf Coast. Gateway Press.

Chicago Style (17th ed.) Citation

Clay, John V. Spain, Mexico and the Lower Trinity: An Early History of the Texas Gulf Coast. Baltimore: Gateway Press, 1987.

MLA (9th ed.) Citation

Clay, John V. Spain, Mexico and the Lower Trinity: An Early History of the Texas Gulf Coast. Gateway Press, 1987.