Barker, P., & Philip Barker. (2002). Top 1000 Scientists From the Beginning of Time to 2000 AD. University Press.
Chicago Edition CitationBarker, Philip, and Philip Barker. Top 1000 Scientists From the Beginning of Time to 2000 AD. India: University Press, 2002.
MLA Edition CitationBarker, Philip, and Philip Barker. Top 1000 Scientists From the Beginning of Time to 2000 AD. University Press, 2002.
Warning: These citations may not always be 100% accurate.