APA (7th ed.) Citation

Grierson, E. (1974). King of two worlds: Philip II of Spain (1. publ.). Collins.

Chicago Style (17th ed.) Citation

Grierson, Edward. King of Two Worlds: Philip II of Spain. 1. publ. London: Collins, 1974.

MLA (9th ed.) Citation

Grierson, Edward. King of Two Worlds: Philip II of Spain. 1. publ. Collins, 1974.

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