APA (7th ed.) Citation

Aerospace Center (U.S.). (1900). Operational navigation chart, [Africa]: Chad, Egypt, Libya, Sudan (Ed. 4.). The Center.

Chicago Style (17th ed.) Citation

Aerospace Center (U.S.). Operational Navigation Chart, [Africa]: Chad, Egypt, Libya, Sudan. Ed. 4. St. Louis, Mo.: The Center, 1900.

MLA (9th ed.) Citation

Aerospace Center (U.S.). Operational Navigation Chart, [Africa]: Chad, Egypt, Libya, Sudan. Ed. 4. The Center, 1900.