APA

Heller A., Eilenberg S. & Tierney M. (1976). Algebra, topology and category theory. New York; NY [u.a.]: Academic Press.

Chicago

Heller Alex, Eilenberg Samuel and Tierney Myles. 1976. Algebra, topology and category theory. New York; NY [u.a.]: Academic Press.

Harvard

Heller A., Eilenberg S. and Tierney M. (1976). Algebra, topology and category theory. New York; NY [u.a.]: Academic Press.

MLA

Heller Alex, Eilenberg Samuel and Tierney Myles. Algebra, topology and category theory. New York; NY [u.a.]: Academic Press. 1976.