APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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