MLA

Burt, Donald X. Friendship and Society : an Introduction to Augustine's Practical Philosophy. Grand Rapids (Mich.): Eerdmans, 1999.

APA

Burt, D. X. (1999). Friendship and society : an introduction to Augustine's practical philosophy. Grand Rapids (Mich.): Eerdmans.

Chicago

Burt, Donald X. Friendship and Society : an Introduction to Augustine's Practical Philosophy. Grand Rapids (Mich.): Eerdmans, 1999.