APA (7th ed.) Citation

Carr, H. . . G., & Hulme, F. E. (1956). Flags of the world ([Rev. and expanded ed.].). Warne.

Chicago Style (17th ed.) Citation

Carr, H Gresham, and Frederick Edward Hulme. Flags of the World. [Rev. and expanded ed.]. London: Warne, 1956.

MLA (9th ed.) Citation

Carr, H Gresham, and Frederick Edward Hulme. Flags of the World. [Rev. and expanded ed.]. Warne, 1956.