Cita APA (7a ed.)

Sykes, G. G. Delta, estuary, and lower portion of the Channel of the Colorado River 1933 to 1935 / by Godfrey Sykes research Associate, Carnegie Institution of Washington.

Cita Chicago Style (17a ed.)

Sykes, Godfrey Glenton. Delta, Estuary, and Lower Portion of the Channel of the Colorado River 1933 to 1935 / by Godfrey Sykes Research Associate, Carnegie Institution of Washington. Washington, D. C. : published by Carnegie Institution of Washington, 1937.

Cita MLA (8a ed.)

Sykes, Godfrey Glenton. Delta, Estuary, and Lower Portion of the Channel of the Colorado River 1933 to 1935 / by Godfrey Sykes Research Associate, Carnegie Institution of Washington.