Cita APA (7th ed.)
Black, P. H., & Adams, O. E. (1968). Machine design (3d ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Black, Paul H., i Otto Eugene Adams. Machine Design. 3d ed. New York: McGraw-Hill, 1968.
Cita MLA (9th ed.)
Black, Paul H., i Otto Eugene Adams. Machine Design. 3d ed. McGraw-Hill, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.