APA Edition Citation

Bak, T. A., & Lichtenberg, J. (1967). Functions of one and several real variables.

Chicago Edition Citation

Bak, Thor A., and Jonas Lichtenberg. Functions of One and Several Real Variables. W A Benjamin Inc., New York, 1967.

MLA Edition Citation

Bak, Thor A., and Jonas Lichtenberg. Functions of One and Several Real Variables. 1967.