Citazione Stile APA (7a Edizione)

Basic Systems, I. (1963). Language of sets. Appleton-Century Crofts.

Citazione stile Chigago Style (17a edizione)

Basic Systems, Inc. Language of Sets. New York: Appleton-Century Crofts, 1963.

Citatione MLA (9a ed.)

Basic Systems, Inc. Language of Sets. Appleton-Century Crofts, 1963.