APA (7th ed.) Citation

Trease, G. (1955). Message to Hadrian: An adventure story of ancient Rome. Vanguard Press.

Chicago Style (17th ed.) Citation

Trease, Geoffrey. Message to Hadrian: An Adventure Story of Ancient Rome. New York: Vanguard Press, 1955.

MLA (9th ed.) Citation

Trease, Geoffrey. Message to Hadrian: An Adventure Story of Ancient Rome. Vanguard Press, 1955.

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