Cita APA (7a ed.)

Hobson, R., & Kristiansen, T. (2004). Navies in northern waters, 1721-2000. Frank Cass.

Cita Chicago Style (17a ed.)

Hobson, Rolf, y Tom Kristiansen. Navies in Northern Waters, 1721-2000. London ; Portland, Ore.: Frank Cass, 2004.

Cita MLA (8a ed.)

Hobson, Rolf, y Tom Kristiansen. Navies in Northern Waters, 1721-2000. Frank Cass, 2004.