APA (7th ed.) Citation

Keller, J. J. (1975). Metric reference edition: Publications, products, and services. J. J. Keller & Associates.

Chicago Style (17th ed.) Citation

Keller, John J. Metric Reference Edition: Publications, Products, and Services. Neenah, Wis.: J. J. Keller & Associates, 1975.

MLA (9th ed.) Citation

Keller, John J. Metric Reference Edition: Publications, Products, and Services. J. J. Keller & Associates, 1975.