APA (7th ed.) Citation

United States. National Imagery and Mapping Agency. (1999). Papua New Guinea, Scale 1: 500,000, TPC M-14D, May 15, 1997. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. National Imagery and Mapping Agency. Papua New Guinea, Scale 1: 500,000, TPC M-14D, May 15, 1997. [Place of publication not identified]: [publisher not identified], 1999.

MLA (9th ed.) Citation

United States. National Imagery and Mapping Agency. Papua New Guinea, Scale 1: 500,000, TPC M-14D, May 15, 1997. [publisher not identified], 1999.