et.al, W. W. .. (1977). Machine tools and machining practices. John Wiley.
Chicago Style (17th ed.) Citationet.al, WT White ... Machine Tools and Machining Practices. John Wiley, 1977.
MLA (8th ed.) Citationet.al, WT White ... Machine Tools and Machining Practices. John Wiley, 1977.
Warning: These citations may not always be 100% accurate.