APA (7th ed.) Citation

Weichel, H. Laser Beam Propagation and Control. SPIE Digital Library.

Chicago Style (17th ed.) Citation

Weichel, Hugo. Laser Beam Propagation and Control. SPIE Digital Library.

MLA (8th ed.) Citation

Weichel, Hugo. Laser Beam Propagation and Control. SPIE Digital Library.

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