APA (7th ed.) Citation

Langford, P. (1973). The first Rockingham administration, 1765-1766. Oxford University Press.

Chicago Style (17th ed.) Citation

Langford, Paul. The First Rockingham Administration, 1765-1766. [London]: Oxford University Press, 1973.

MLA (9th ed.) Citation

Langford, Paul. The First Rockingham Administration, 1765-1766. Oxford University Press, 1973.