APA (7th ed.) Citation

Hadeln, D. v. (1928). Two unknown works by Titian.

Chicago Style (17th ed.) Citation

Hadeln, Detlev von. Two Unknown Works by Titian. 1928.

MLA (9th ed.) Citation

Hadeln, Detlev von. Two Unknown Works by Titian. 1928.

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