APA Citatie

Schwartz, J. T., Naoum, A., & Roitberg, J. (1968). Differential geometry and topology. New York: Gordon and Breach.

Chicago Style citaat

Schwartz, Jacob T., Adil Naoum, en Joseph Roitberg. Differential Geometry and Topology. New York: Gordon and Breach, 1968.

MLA citatie

Schwartz, Jacob T., Adil Naoum, en Joseph Roitberg. Differential Geometry and Topology. New York: Gordon and Breach, 1968.