APA (7th ed.) Citation

Mach K.A. and others & K.A. Mach, W. M. M. (1978). College typewriting, a mastery approach: Beginning. Science Research Associates.

Chicago Style (17th ed.) Citation

Mach K.A. and others and W. M. Mitchell K.A. Mach. College Typewriting, a Mastery Approach: Beginning. Chicago: Science Research Associates, 1978.

MLA (8th ed.) Citation

Mach K.A. and others and W. M. Mitchell K.A. Mach. College Typewriting, a Mastery Approach: Beginning. Science Research Associates, 1978.