APA

Gula R. M., . (1999). The good life. New York: Paulist Press.

Chicago

Gula Richard M, . 1999. The good life. New York: Paulist Press.

Harvard

Gula R. M., . (1999). The good life. New York: Paulist Press.

MLA

Gula Richard M, . The good life. New York: Paulist Press. 1999.