APA (7th ed.) Citation

United States. Light-House Board, Alexander, J. H., & Babbage, C. (1861). Experiments on Mr. Babbage's method of distinguishing light-houses: Reported to committee of U.S. Light-House Board. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

United States. Light-House Board, J. H. Alexander, and Charles Babbage. Experiments on Mr. Babbage's Method of Distinguishing Light-houses: Reported to Committee of U.S. Light-House Board. Washington: U.S. Government Printing Office, 1861.

MLA (9th ed.) Citation

United States. Light-House Board, et al. Experiments on Mr. Babbage's Method of Distinguishing Light-houses: Reported to Committee of U.S. Light-House Board. U.S. Government Printing Office, 1861.