APA (7th ed.) Citation

Zinke, D. (1990). A hitherto unknown version of 'St Michael' by the Cavaliere d'Arpino.

Chicago Style (17th ed.) Citation

Zinke, Detlef. A Hitherto Unknown Version of 'St Michael' by the Cavaliere D'Arpino. 1990.

MLA (9th ed.) Citation

Zinke, Detlef. A Hitherto Unknown Version of 'St Michael' by the Cavaliere D'Arpino. 1990.

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