Penn, W. Liquid Crystals and Spatial Light Modulator Materials. SPIE Digital Library.
Chicago Style (17th ed.) CitationPenn, William. Liquid Crystals and Spatial Light Modulator Materials. SPIE Digital Library.
MLA (8th ed.) CitationPenn, William. Liquid Crystals and Spatial Light Modulator Materials. SPIE Digital Library.
Warning: These citations may not always be 100% accurate.