APA (7th ed.) Citation

Helston, M. (1985). Luca Giordano. [editor no identificat].

Chicago Style (17th ed.) Citation

Helston, Michael. Luca Giordano. London: [editor no identificat], 1985.

MLA (9th ed.) Citation

Helston, Michael. Luca Giordano. [editor no identificat], 1985.

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