APA (7th ed.) Citation

Bentley, J. Field Guide to Lens Design. SPIE Digital Library.

Chicago Style (17th ed.) Citation

Bentley, Julie. Field Guide to Lens Design. SPIE Digital Library.

MLA (9th ed.) Citation

Bentley, Julie. Field Guide to Lens Design. SPIE Digital Library.

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