APA (7th ed.) Citation

Frenkiel, F. N. (1950). Introduction to some topics on turbulence. [publisher not identified].

Chicago Style (17th ed.) Citation

Frenkiel, François N. Introduction to Some Topics on Turbulence. [College Park, Md.]: [publisher not identified], 1950.

MLA (9th ed.) Citation

Frenkiel, François N. Introduction to Some Topics on Turbulence. [publisher not identified], 1950.