APA (7th ed.) Citation

Helvajian, H. Laser 3D Manufacturing II. SPIE Digital Library.

Chicago Style (17th ed.) Citation

Helvajian, Henry. Laser 3D Manufacturing II. SPIE Digital Library.

MLA (8th ed.) Citation

Helvajian, Henry. Laser 3D Manufacturing II. SPIE Digital Library.

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