Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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