APA

Davidson G., . (1967). A dictionary of angels, including the fallen angels. New York: Free Press.

Chicago

Davidson Gustav, . 1967. A dictionary of angels, including the fallen angels. New York: Free Press.

Harvard

Davidson G., . (1967). A dictionary of angels, including the fallen angels. New York: Free Press.

MLA

Davidson Gustav, . A dictionary of angels, including the fallen angels. New York: Free Press. 1967.