APA (7 वां संस्करण) प्रशस्ति पत्र
O'Mara, M. P. (2005). Cities of knowledge: Cold War science and the search for the next Silicon Valley. Princeton University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
O'Mara, Margaret Pugh. Cities of Knowledge: Cold War Science and the Search for the Next Silicon Valley. Princeton, New Jersey ; Oxfordshire, England: Princeton University Press, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
O'Mara, Margaret Pugh. Cities of Knowledge: Cold War Science and the Search for the Next Silicon Valley. Princeton University Press, 2005.
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