APA (7th ed.) Citation

Marcus, G. J. (1975). Heart of oak: A survey of British sea power in the Georgian era. Oxford University Press.

Chicago Style (17th ed.) Citation

Marcus, G. J. Heart of Oak: A Survey of British Sea Power in the Georgian Era. London ; New York: Oxford University Press, 1975.

MLA (8th ed.) Citation

Marcus, G. J. Heart of Oak: A Survey of British Sea Power in the Georgian Era. Oxford University Press, 1975.