APA
Marshall E. O., . (2018). Introduction to Christian ethics. Louisville, Kentucky: Westminster John Knox Press.
Chicago
Marshall Ellen Ott, . 2018. Introduction to Christian ethics. Louisville, Kentucky: Westminster John Knox Press.
Harvard
Marshall E. O., . (2018). Introduction to Christian ethics. Louisville, Kentucky: Westminster John Knox Press.
MLA
Marshall Ellen Ott, . Introduction to Christian ethics. Louisville, Kentucky: Westminster John Knox Press. 2018.