Spurr, E., & Goodrich, H. B. (1898). Geology of the Yukon gold district, Alaska [electronic resource]. [S.l.: s.n.
Chicago Style (17th ed.) CitationSpurr, Edward, and Harold Beach Goodrich. Geology of the Yukon Gold District, Alaska [electronic Resource]. [S.l.: s.n, 1898.
MLA (9th ed.) CitationSpurr, Edward, and Harold Beach Goodrich. Geology of the Yukon Gold District, Alaska [electronic Resource]. [S.l.: s.n, 1898.
Warning: These citations may not always be 100% accurate.