Gaya APA

Swanson, C, P., Paul, I, E. (1972). The encyclopedia of philosophy volume 7 and 8 index . New York: New York: Macmillan; 1972.

Gaya MLA

Swanson, Carl, P.., Paul, I., Edwards,. "The encyclopedia of philosophy volume 7 and 8 index". New York: New York: Macmillan; 1972, 1972. Text.