APA (7th ed.) Citation

Humphreys, H. W., & Sigurdsson, G. (1959). Effects of metal grating deck on drop-inlet spillway performance. [publisher not identified].

Chicago Style (17th ed.) Citation

Humphreys, Harold W., and Gunnar Sigurdsson. Effects of Metal Grating Deck on Drop-inlet Spillway Performance. Urbana: [publisher not identified], 1959.

MLA (9th ed.) Citation

Humphreys, Harold W., and Gunnar Sigurdsson. Effects of Metal Grating Deck on Drop-inlet Spillway Performance. [publisher not identified], 1959.