APA

Long E. L. J., . (1967). A survey of christian ethics. New York ; London ; Toronto: Oxford University Press.

Chicago

Long Edward LeRoy Jr, . 1967. A survey of christian ethics. New York ; London ; Toronto: Oxford University Press.

Harvard

Long E. L. J., . (1967). A survey of christian ethics. New York ; London ; Toronto: Oxford University Press.

MLA

Long Edward LeRoy Jr, . A survey of christian ethics. New York ; London ; Toronto: Oxford University Press. 1967.