APA (7th ed.) Citation

Sprug, J. W. (1966). An index to G. K. Chesterton. Catholic University of America Press.

Chicago Style (17th ed.) Citation

Sprug, Joseph W. An Index to G. K. Chesterton. Washington: Catholic University of America Press, 1966.

MLA (9th ed.) Citation

Sprug, Joseph W. An Index to G. K. Chesterton. Catholic University of America Press, 1966.