APA

Robertson R., . (1976). Sociology of religion : selected readings. New York: Penguin Books.

Chicago

Robertson Roland, . 1976. Sociology of religion : selected readings. New York: Penguin Books.

Harvard

Robertson R., . (1976). Sociology of religion : selected readings. New York: Penguin Books.

MLA

Robertson Roland, . Sociology of religion : selected readings. New York: Penguin Books. 1976.