APA (7th ed.) Citation

Wolters, R. (1993). Money and Coinage in the Reign of Trajan.

Chicago Style (17th ed.) Citation

Wolters, Reinhard. Money and Coinage in the Reign of Trajan. 1993.

MLA (9th ed.) Citation

Wolters, Reinhard. Money and Coinage in the Reign of Trajan. 1993.

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