APA (7th ed.) Citation

(1981). Machinery buyers guide: The annual directory of engineering products and services. Machinery Buyers Guide.

Chicago Style (17th ed.) Citation

Machinery Buyers Guide: The Annual Directory of Engineering Products and Services. Southend-on-Sea: Machinery Buyers Guide, 1981.

MLA (9th ed.) Citation

Machinery Buyers Guide: The Annual Directory of Engineering Products and Services. Machinery Buyers Guide, 1981.