APA (7th ed.) Citation

Singer Sewing Machine. (1987). Instruction Manual: 591 A.F.L. (P/N 414381). Singer Sewing Machine.

Chicago Style (17th ed.) Citation

Singer Sewing Machine. Instruction Manual: 591 A.F.L. (P/N 414381). USA: Singer Sewing Machine, 1987.

MLA (9th ed.) Citation

Singer Sewing Machine. Instruction Manual: 591 A.F.L. (P/N 414381). Singer Sewing Machine, 1987.

Warning: These citations may not always be 100% accurate.