APA (7th ed.) Citation

Zöllner, F. (1993). Leonardo's portrait of Mona Lisa del Giocondo.

Chicago Style (17th ed.) Citation

Zöllner, Frank. Leonardo's Portrait of Mona Lisa Del Giocondo. 1993.

MLA (9th ed.) Citation

Zöllner, Frank. Leonardo's Portrait of Mona Lisa Del Giocondo. 1993.

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