APA (7th ed.) Citation

Ackmann, P. Photomask Technology 2014. SPIE Digital Library.

Chicago Style (17th ed.) Citation

Ackmann, Paul. Photomask Technology 2014. SPIE Digital Library.

MLA (8th ed.) Citation

Ackmann, Paul. Photomask Technology 2014. SPIE Digital Library.

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