Roberts, H. (1794). Chart of the N.W. coast of America and the N.E. coast of Asia, explored in the years 1778 and 1779. Wm. Faden.
Chicago Style (17th ed.) CitationRoberts, Henry. Chart of the N.W. Coast of America and the N.E. Coast of Asia, Explored in the Years 1778 and 1779. Wm. Faden, 1794.
MLA (9th ed.) CitationRoberts, Henry. Chart of the N.W. Coast of America and the N.E. Coast of Asia, Explored in the Years 1778 and 1779. Wm. Faden, 1794.
Warning: These citations may not always be 100% accurate.