Billings, K. F. (1996). Stepping-stones: The reminiscences of a woman geologist in the twentieth century. Connecticut Academy of Arts and Sciences.
Chicago Style (17th ed.) CitationBillings, Katharine Fowler. Stepping-stones: The Reminiscences of a Woman Geologist in the Twentieth Century. New Haven: Connecticut Academy of Arts and Sciences, 1996.
MLA (9th ed.) CitationBillings, Katharine Fowler. Stepping-stones: The Reminiscences of a Woman Geologist in the Twentieth Century. Connecticut Academy of Arts and Sciences, 1996.
Warning: These citations may not always be 100% accurate.