APA (7th ed.) Citation

Bachmann, F., & Schmidt, E. (1975). N-gons. The University of Toronto.

Chicago Style (17th ed.) Citation

Bachmann, Friedrich, and Eckart Schmidt. N-gons. Toronto: The University of Toronto, 1975.

MLA (9th ed.) Citation

Bachmann, Friedrich, and Eckart Schmidt. N-gons. The University of Toronto, 1975.