Παραπομπή σε μορφή APA (7η εκδ.)

Hull, R. T. (2001). Presidential addresses of the american philosophical association: 1931-1940. Kluwer Academic Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hull, Richard T. Presidential Addresses of the American Philosophical Association: 1931-1940. Dordrecht: Kluwer Academic Publishers, 2001.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hull, Richard T. Presidential Addresses of the American Philosophical Association: 1931-1940. Kluwer Academic Publishers, 2001.