APA (7th ed.) Citation

Ellis, D. (1932). Sulphur bacteria: A monograph. Longmans, Green and co..

Chicago Style (17th ed.) Citation

Ellis, David. Sulphur Bacteria: A Monograph. London, New York [etc]: Longmans, Green and co., 1932.

MLA (9th ed.) Citation

Ellis, David. Sulphur Bacteria: A Monograph. Longmans, Green and co., 1932.