Spurr J. E. Josian Edward & Emmons S. F. Samuel Franklin. (1898). Geology of the Aspen mining district, Colorado, wiht atlas. Washington, Governmext Printing Office, 1898.
Chicago Style (17th ed.) CitationSpurr J. E. Josian Edward and Emmons S. F. Samuel Franklin. Geology of the Aspen Mining District, Colorado, Wiht Atlas. Washington, Governmext Printing Office, 1898, 1898.
MLA (9th ed.) CitationSpurr J. E. Josian Edward and Emmons S. F. Samuel Franklin. Geology of the Aspen Mining District, Colorado, Wiht Atlas. Washington, Governmext Printing Office, 1898, 1898.
Warning: These citations may not always be 100% accurate.