APA (7th ed.) Citation

Townsend, E. J. (1928). Functions of real variables. H. Holt and Company.

Chicago Style (17th ed.) Citation

Townsend, E. J. Functions of Real Variables. New York: H. Holt and Company, 1928.

MLA (9th ed.) Citation

Townsend, E. J. Functions of Real Variables. H. Holt and Company, 1928.