APA (7th ed.) Citation

Hengartner, W., & Theodorescu, R. j. a. (1973). Concentartion functions. Academic Press.

Chicago Style (17th ed.) Citation

Hengartner, Walter, and Radu joint auth Theodorescu. Concentartion Functions. New York: Academic Press, 1973.

MLA (9th ed.) Citation

Hengartner, Walter, and Radu joint auth Theodorescu. Concentartion Functions. Academic Press, 1973.