APA (7th ed.) Citation

Richardson, E. V., Simons, D. B., & Posakony, G. J. (1961). Sonic depth sounder for laboratory and field use. U.S. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Richardson, E. V., D. B. Simons, and G. J. Posakony. Sonic Depth Sounder for Laboratory and Field Use. Washington: U.S. Dept. of the Interior, Geological Survey, 1961.

MLA (9th ed.) Citation

Richardson, E. V., et al. Sonic Depth Sounder for Laboratory and Field Use. U.S. Dept. of the Interior, Geological Survey, 1961.