Science by observation and experiment,
by Hanor A. Webb and Robert O. Beauchamp, drawings by Clarence Hankins.

APA Citation

Webb, H. A., Beauchamp, R. Owens. (1935). Science by observation and experiment. New York: D. Appleton-Century company, incorporated.

MLA Citation

Webb, Hanor A., 1888-, and Robert Owens Beauchamp. Science by Observation And Experiment. New York: D. Appleton-Century company, incorporated, 1935.

Warning: These citations may not always be complete (especially for serials).