APA (7th ed.) Citation

Warden, W. H., & Warden, B. M. (1983). Dot Matrix Impact Printers: An Overview and Guide.

Chicago Style (17th ed.) Citation

Warden, William H., and Bette M. Warden. Dot Matrix Impact Printers: An Overview and Guide. 1983.

MLA (9th ed.) Citation

Warden, William H., and Bette M. Warden. Dot Matrix Impact Printers: An Overview and Guide. 1983.

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