Παραπομπή σε μορφή APA (7η εκδ.)

University, U. c. S. L. (1970). Textbooks for sale at the Parks College bookstore, February 5, 1970.

Παραπομπή σε μορφή Chicago (17η εκδ.)

University, Unknown creator; St. Louis. Textbooks for Sale at the Parks College Bookstore, February 5, 1970. 1970.

Παραπομπή σε μορφή MLA (8th εκδ.)

University, Unknown creator; St. Louis. Textbooks for Sale at the Parks College Bookstore, February 5, 1970. 1970.