APA (7e ed.) Bronvermelding

Lefschetz, S. (1942). Topics in topology. Princeton University Press.

Chicago (17e ed.) Bronvermelding

Lefschetz, Solomon. Topics in Topology. Princeton: Princeton University Press, 1942.

MLA (9e ed.) Bronvermelding

Lefschetz, Solomon. Topics in Topology. Princeton University Press, 1942.