Citazione Stile APA (7a Edizione)

Froman, R. (1972). Rubber bonds, baseballs and doughnuts: A book about topology. Thomas Y. Crowell.

Citazione stile Chigago Style (17a edizione)

Froman, Robert. Rubber Bonds, Baseballs and Doughnuts: A Book About Topology. New York: Thomas Y. Crowell, 1972.

Citatione MLA (9a ed.)

Froman, Robert. Rubber Bonds, Baseballs and Doughnuts: A Book About Topology. Thomas Y. Crowell, 1972.