APA (7th ed.) Citation

De Groot, J. H. (1968). The Shakespeares and the old faith. Books for Libraries Press.

Chicago Style (17th ed.) Citation

De Groot, John Henry. The Shakespeares and the Old Faith. Freeport, N.Y.: Books for Libraries Press, 1968.

MLA (9th ed.) Citation

De Groot, John Henry. The Shakespeares and the Old Faith. Books for Libraries Press, 1968.