APA (7th ed.) Citation

Putnam, G. R. (1933). Lighthouses and lightships of the United States (New and rev. ed.). Houghton Mifflin Co..

Chicago Style (17th ed.) Citation

Putnam, G. R. Lighthouses and Lightships of the United States. New and rev. ed. Boston: Houghton Mifflin Co., 1933.

MLA (9th ed.) Citation

Putnam, G. R. Lighthouses and Lightships of the United States. New and rev. ed. Houghton Mifflin Co., 1933.