APA (7th ed.) Citation

Leach, D. P., & Bowker, B. (1970). Primer of computing. Holmes-McDougall.

Chicago Style (17th ed.) Citation

Leach, Donald P., and Bob Bowker. Primer of Computing. Edinburgh: Holmes-McDougall, 1970.

MLA (8th ed.) Citation

Leach, Donald P., and Bob Bowker. Primer of Computing. Holmes-McDougall, 1970.

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