APA (7th ed.) Citation

Castro, A., King, W. F., & Margaretten, S. (2018). The Spaniards: An introduction to their history. University of California Press.

Chicago Style (17th ed.) Citation

Castro, Américo, Willard F. King, and Selma Margaretten. The Spaniards: An Introduction to Their History. Berkeley: University of California Press, 2018.

MLA (9th ed.) Citation

Castro, Américo, et al. The Spaniards: An Introduction to Their History. University of California Press, 2018.