APA (7th ed.) Citation

Gordon Walker, P. C. (1965). The Commonwealth. Mercury Books.

Chicago Style (17th ed.) Citation

Gordon Walker, Patrick Chrestien. The Commonwealth. London: Mercury Books, 1965.

MLA (9th ed.) Citation

Gordon Walker, Patrick Chrestien. The Commonwealth. Mercury Books, 1965.

Warning: These citations may not always be 100% accurate.