SpringerLink (Online service), Hersh, M. A., & Johnson, M. A. (2008). Assistive Technology for Visually Impaired and Blind People. Springer London.
Chicago Style (17th ed.) CitationSpringerLink (Online service), Marion A. Hersh, and Michael A. Johnson. Assistive Technology for Visually Impaired and Blind People. London: Springer London, 2008.
MLA (8th ed.) CitationSpringerLink (Online service), et al. Assistive Technology for Visually Impaired and Blind People. Springer London, 2008.
Warning: These citations may not always be 100% accurate.