APA (7th ed.) Citation

Barrett, H. Fifty Years of Optical Sciences at The University of Arizona. SPIE Digital Library.

Chicago Style (17th ed.) Citation

Barrett, Harrison. Fifty Years of Optical Sciences at The University of Arizona. SPIE Digital Library.

MLA (8th ed.) Citation

Barrett, Harrison. Fifty Years of Optical Sciences at The University of Arizona. SPIE Digital Library.

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