APA (7th ed.) Citation

Riefstahl, R. M. (1959). Two medieval French enamels.

Chicago Style (17th ed.) Citation

Riefstahl, Rudolf M. Two Medieval French Enamels. 1959.

MLA (9th ed.) Citation

Riefstahl, Rudolf M. Two Medieval French Enamels. 1959.

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