APA (7th ed.) Citation

Easum, C. V. (1971). Prince Henry of Prussia, brother of Frederick the Great.

Chicago Style (17th ed.) Citation

Easum, Chester Verne. Prince Henry of Prussia, Brother of Frederick the Great. 1971.

MLA (9th ed.) Citation

Easum, Chester Verne. Prince Henry of Prussia, Brother of Frederick the Great. 1971.

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