APA (7th ed.) Citation

Castro, A. (1971). The Spaniards: An introduction to their history. Univ. of Calif. Press.

Chicago Style (17th ed.) Citation

Castro, Américo. The Spaniards: An Introduction to Their History. Berkeley [u.a.]: Univ. of Calif. Press, 1971.

MLA (9th ed.) Citation

Castro, Américo. The Spaniards: An Introduction to Their History. Univ. of Calif. Press, 1971.

Warning: These citations may not always be 100% accurate.