APA (7th ed.) Citation

Parker, T., & Allerton, R. (1962). The courage of his convictions / Tony Parker & Robert Allerton. Quality Book Club.

Chicago Style (17th ed.) Citation

Parker, Tony, and Robert Allerton. The Courage of His Convictions / Tony Parker & Robert Allerton. London: Quality Book Club, 1962.

MLA (9th ed.) Citation

Parker, Tony, and Robert Allerton. The Courage of His Convictions / Tony Parker & Robert Allerton. Quality Book Club, 1962.

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