APA
Kallenberg B. J., Nation M. T. & Murphy N. (1997). Virtues and practices in the christian tradition. Harrisburg, Pennsylvania: Trinity Press International.
Chicago
Kallenberg Brad J, Nation Mark Thiessen and Murphy Nancey. 1997. Virtues and practices in the christian tradition. Harrisburg, Pennsylvania: Trinity Press International.
Harvard
Kallenberg B. J., Nation M. T. and Murphy N. (1997). Virtues and practices in the christian tradition. Harrisburg, Pennsylvania: Trinity Press International.
MLA
Kallenberg Brad J, Nation Mark Thiessen and Murphy Nancey. Virtues and practices in the christian tradition. Harrisburg, Pennsylvania: Trinity Press International. 1997.