APA (7th ed.) Citation

Petrie, C. (1971). King Charles III of Spain: An enlightened despot (1. publ.). Constable.

Chicago Style (17th ed.) Citation

Petrie, Charles. King Charles III of Spain: An Enlightened Despot. 1. publ. London: Constable, 1971.

MLA (9th ed.) Citation

Petrie, Charles. King Charles III of Spain: An Enlightened Despot. 1. publ. Constable, 1971.

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