Earth conquerors; the lives and achievements of the great explorers
MLA
Mitchell, James Leslie. Earth Conquerors: the Lives and Achievements of the Great Explorers. New York: Simon and Schuster, 1934
APA, 7th edition
Mitchell, J. Leslie. (1934). Earth conquerors: the lives and achievements of the great explorers. New York: Simon and Schuster
Chicago, 17th edition
Mitchell, James Leslie. Earth conquerors: the lives and achievements of the great explorers. New York: Simon and Schuster, 1934