Citazione Stile APA (7a Edizione)

448005 Blumenthal, L. M., & Menger, K. (1970). Studies in geometry. San Francisco : W H Freeman.

Citazione stile Chigago Style (17a edizione)

448005 Blumenthal, Leonard Mascot, e Karl Menger. Studies in Geometry. San Francisco : W H Freeman, 1970.

Citatione MLA (9a ed.)

448005 Blumenthal, Leonard Mascot, e Karl Menger. Studies in Geometry. San Francisco : W H Freeman, 1970.