Citazione Stile APA (7a Edizione)

Lüneburg, H. (1970). Lectures on projective planes. University of Illinois.

Citazione stile Chigago Style (17a edizione)

Lüneburg, Heinz. Lectures on Projective Planes. Chicago: University of Illinois, 1970.

Citatione MLA (9a ed.)

Lüneburg, Heinz. Lectures on Projective Planes. University of Illinois, 1970.