APA (7th ed.) Citation

Optical industry & systems purchasing directory. Laurin Pub. Co.

Chicago Style (17th ed.) Citation

Optical Industry & Systems Purchasing Directory. Pittsfield, Mass.: Laurin Pub. Co.

MLA (9th ed.) Citation

Optical Industry & Systems Purchasing Directory. Laurin Pub. Co.

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