APA (7th ed.) Citation

Godfrey, C., & Siddons, A. W. (1920). Elementary algebra. The University Press.

Chicago Style (17th ed.) Citation

Godfrey, C., and A. W. Siddons. Elementary Algebra. Cambridge: The University Press, 1920.

MLA (9th ed.) Citation

Godfrey, C., and A. W. Siddons. Elementary Algebra. The University Press, 1920.

Warning: These citations may not always be 100% accurate.