APA (7th ed.) Citation

Hela, I. (1952). Drift currents and permanent flow.

Chicago Style (17th ed.) Citation

Hela, Ilmo. Drift Currents and Permanent Flow. Helsingfors, 1952.

MLA (9th ed.) Citation

Hela, Ilmo. Drift Currents and Permanent Flow. 1952.

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