APA (7th ed.) Citation

Till, G. (2009). Seapower: A guide for the twenty-first century (2nd ed.). [publisher not identified].

Chicago Style (17th ed.) Citation

Till, Geoffrey. Seapower: A Guide for the Twenty-first Century. 2nd ed. New York : London : b Routledge: [publisher not identified], 2009.

MLA (9th ed.) Citation

Till, Geoffrey. Seapower: A Guide for the Twenty-first Century. 2nd ed. [publisher not identified], 2009.