MLA

Barker, Brian, and J. P Brooke-Little. The Symbols of Sovereignty. Oxford: Westbridge Books, 1979.

APA

Barker, B., & Brooke-Little, J. P. (1979). The symbols of sovereignty. Oxford: Westbridge Books.

Chicago

Barker, Brian, and J. P Brooke-Little. The Symbols of Sovereignty. Oxford: Westbridge Books, 1979.