Παραπομπή σε μορφή APA (7η εκδ.)

Heller, A., & Tierney, M. (1976). Algebra, topology, and category theory: A collection of papers in honor of Samuel Eilenberg. Academic Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Heller, Alex, και Myles Tierney. Algebra, Topology, and Category Theory: A Collection of Papers in Honor of Samuel Eilenberg. New York: Academic Press, 1976.

Παραπομπή σε μορφή MLA (8th εκδ.)

Heller, Alex, και Myles Tierney. Algebra, Topology, and Category Theory: A Collection of Papers in Honor of Samuel Eilenberg. Academic Press, 1976.