West, G. (1938). Charles Darwin: A portrait (Second printing, September, 1938.). Yale University Press.
Chicago Style (17th ed.) CitationWest, Geoffrey. Charles Darwin: A Portrait. Second printing, September, 1938. New Haven: Yale University Press, 1938.
MLA (9th ed.) CitationWest, Geoffrey. Charles Darwin: A Portrait. Second printing, September, 1938. Yale University Press, 1938.
Warning: These citations may not always be 100% accurate.