APA (7th ed.) Citation

Giddens, P. H. (1948). Early days of oil: A pictorial history of the begginings of the industry in Pennsylvania. Princeton University Press.

Chicago Style (17th ed.) Citation

Giddens, Paul H. Early Days of Oil: A Pictorial History of the Begginings of the Industry in Pennsylvania. Princeton, New Jersey: Princeton University Press, 1948.

MLA (9th ed.) Citation

Giddens, Paul H. Early Days of Oil: A Pictorial History of the Begginings of the Industry in Pennsylvania. Princeton University Press, 1948.