APA

Sprug J. W., . (1966). An index to G. K. Chesterton, edited, with an introd. by Joseph W. Sprug. Pref. by James J. Kortendick. Washington: Catholic University of America Press.

Chicago

Sprug Joseph W, . 1966. An index to G. K. Chesterton, edited, with an introd. by Joseph W. Sprug. Pref. by James J. Kortendick. Washington: Catholic University of America Press.

Harvard

Sprug J. W., . (1966). An index to G. K. Chesterton, edited, with an introd. by Joseph W. Sprug. Pref. by James J. Kortendick. Washington: Catholic University of America Press.

MLA

Sprug Joseph W, . An index to G. K. Chesterton, edited, with an introd. by Joseph W. Sprug. Pref. by James J. Kortendick. Washington: Catholic University of America Press. 1966.