Deutsches Hydrographisches Institut & United States. Defense Mapping Agency. Hydrographic/Topographic Center. (1992). North Sea, Germany, mouth of the Elbe River (15th ed., Jan. 4, 1992 (Correct through NM 1/92).). DMA Hydrographic/Topographic Center.
Chicago Style (17th ed.) CitationDeutsches Hydrographisches Institut and United States. Defense Mapping Agency. Hydrographic/Topographic Center. North Sea, Germany, Mouth of the Elbe River. 15th ed., Jan. 4, 1992 (Correct through NM 1/92). Washington, D.C.: DMA Hydrographic/Topographic Center, 1992.
MLA (9th ed.) CitationDeutsches Hydrographisches Institut and United States. Defense Mapping Agency. Hydrographic/Topographic Center. North Sea, Germany, Mouth of the Elbe River. 15th ed., Jan. 4, 1992 (Correct through NM 1/92). DMA Hydrographic/Topographic Center, 1992.