APA (7th ed.) Citation

Engelhardt, W. v., & Tunn, W. L. M. (1955). The flow of fluids through sandstones. [publisher not identified].

Chicago Style (17th ed.) Citation

Engelhardt, Wolf von, and W. L. M. Tunn. The Flow of Fluids Through Sandstones. Urbana: [publisher not identified], 1955.

MLA (9th ed.) Citation

Engelhardt, Wolf von, and W. L. M. Tunn. The Flow of Fluids Through Sandstones. [publisher not identified], 1955.