APA (7th ed.) Citation

Halberg, C. J. A., & Delvin, J. F. (1967). Elementary functions. Scott.

Chicago Style (17th ed.) Citation

Halberg, Cahrles J A., and John F. Delvin. Elementary Functions. Atlanta: Scott, 1967.

MLA (9th ed.) Citation

Halberg, Cahrles J A., and John F. Delvin. Elementary Functions. Scott, 1967.