Marcus, G. J. (1975). Heart of oak : a survey of British sea power in the Georgian era / (by) G.J. Marcus: A survey of British sea power in the Georgian era. Oxford University Press.
Chicago Style (17th ed.) CitationMarcus, G. J. Heart of Oak : A Survey of British Sea Power in the Georgian Era / (by) G.J. Marcus: A Survey of British Sea Power in the Georgian Era. London (etc.): Oxford University Press, 1975.
MLA (9th ed.) CitationMarcus, G. J. Heart of Oak : A Survey of British Sea Power in the Georgian Era / (by) G.J. Marcus: A Survey of British Sea Power in the Georgian Era. Oxford University Press, 1975.
Warning: These citations may not always be 100% accurate.