APA (7th ed.) Citation

Guilday, P. (1967). The Catholic philosophy of history. Books for Libraries Press.

Chicago Style (17th ed.) Citation

Guilday, Peter. The Catholic Philosophy of History. Freeport, N.Y.: Books for Libraries Press, 1967.

MLA (9th ed.) Citation

Guilday, Peter. The Catholic Philosophy of History. Books for Libraries Press, 1967.