APA (7th ed.) Citation

United States. Congress. House. Committee on Rivers and Harbors & ProQuest (Firm). (1931). Ponce Harbor, P.R. Letter from the Chief of Engineers, U.S. Army, Transmitting Report of the Board of Engineers for Rivers and Harbors on Review of Reports Heretofore Submitted on Ponce Harbor, P.R. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Rivers and Harbors and ProQuest (Firm). Ponce Harbor, P.R. Letter from the Chief of Engineers, U.S. Army, Transmitting Report of the Board of Engineers for Rivers and Harbors on Review of Reports Heretofore Submitted on Ponce Harbor, P.R. [Place of publication not identified]: [publisher not identified], 1931.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Rivers and Harbors and ProQuest (Firm). Ponce Harbor, P.R. Letter from the Chief of Engineers, U.S. Army, Transmitting Report of the Board of Engineers for Rivers and Harbors on Review of Reports Heretofore Submitted on Ponce Harbor, P.R. [publisher not identified], 1931.