Sailing directions (planning guide & enroute).
Antarctica /
prepared and published by the National Imagery and Mapping Agency.
APA Citation
United States. National Imagery and Mapping Agency. (1997). Sailing directions (planning guide & enroute). Bethesda, Md.: The Agency.
MLA Citation
United States. National Imagery and Mapping Agency. Sailing Directions (planning Guide & Enroute). Bethesda, Md.: The Agency, 1997.
Warning: These citations may not always be complete (especially for serials).