APA (7th ed.) Citation

Castro, A. (1977). An idea of history: Selected essays of Americo Castro. Ohio State University Press.

Chicago Style (17th ed.) Citation

Castro, Américo. An Idea of History: Selected Essays of Americo Castro. Columbus: Ohio State University Press, 1977.

MLA (9th ed.) Citation

Castro, Américo. An Idea of History: Selected Essays of Americo Castro. Ohio State University Press, 1977.

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