Gallagher, E. Photomask Technology 2018. SPIE Digital Library.
Chicago Style (17th ed.) CitationGallagher, Emily. Photomask Technology 2018. SPIE Digital Library.
MLA (8th ed.) CitationGallagher, Emily. Photomask Technology 2018. SPIE Digital Library.
Warning: These citations may not always be 100% accurate.