APA (7th ed.) Citation

McGregor, D. A. (1967). They gave royal assent. Mitchell Press.

Chicago Style (17th ed.) Citation

McGregor, D. A. They Gave Royal Assent. Vancouver: Mitchell Press, 1967.

MLA (8th ed.) Citation

McGregor, D. A. They Gave Royal Assent. Mitchell Press, 1967.

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