APA
Pratt Steven, . (2001). Age-related macular degeneration (AMD) and lutein-assessing the evidence. London: The Royal Society of Medicine Press.
Chicago
Pratt Steven, . 2001. Age-related macular degeneration (AMD) and lutein-assessing the evidence. London: The Royal Society of Medicine Press.
Harvard
Pratt Steven, . (2001). Age-related macular degeneration (AMD) and lutein-assessing the evidence. London: The Royal Society of Medicine Press.
MLA
Pratt Steven, . Age-related macular degeneration (AMD) and lutein-assessing the evidence. London: The Royal Society of Medicine Press. 2001.