Supplement to H[ydrographic] O[ffice publication] no. 252.
Naval air pilot, Greenland-Iceland; weather summary.

APA Citation

United States. Weather Bureau. (19). Supplement to H[ydrographic] O[ffice publication] no. 252: Naval air pilot, Greenland-Iceland; weather summary. Washington: Hydrographic Office, U.S. Navy Dept..

MLA Citation

United States. Weather Bureau. Supplement to H[ydrographic] O[ffice Publication] No. 252: Naval Air Pilot, Greenland-Iceland; Weather Summary. Washington: Hydrographic Office, U.S. Navy Dept., 19.

Warning: These citations may not always be complete (especially for serials).