APA (7th ed.) Citation

Gueniffey, P., & Blanchard, W. (1972). The almanac of world military power (2.ed.). Barker.

Chicago Style (17th ed.) Citation

Gueniffey, Patrice, and Wendell Blanchard. The Almanac of World Military Power. 2.ed. London: Barker, 1972.

MLA (9th ed.) Citation

Gueniffey, Patrice, and Wendell Blanchard. The Almanac of World Military Power. 2.ed. Barker, 1972.