APA (7th ed.) Citation

Till. (2009). Seapower: A guide for the twenty-first century (2nd ed.). Frank Cass.

Chicago Style (17th ed.) Citation

Till. Seapower: A Guide for the Twenty-first Century. 2nd ed. London: Frank Cass, 2009.

MLA (8th ed.) Citation

Till. Seapower: A Guide for the Twenty-first Century. 2nd ed. Frank Cass, 2009.