Dilson, J., & Dilson, J. (1968). The abacus: A pocket computer. New York, New York: St. Martin's.
Chicago Style CitationDilson, Jesse, and Jesse Dilson. The Abacus: A Pocket Computer. New York, New York: St. Martin's, 1968.
MLA CitationDilson, Jesse, and Jesse Dilson. The Abacus: A Pocket Computer. New York, New York: St. Martin's, 1968.
Warning: These citations may not always be 100% accurate.