APA (7th ed.) Citation

Stubblebine, J. H. (1959). An altarpiece by Guido da Siena.

Chicago Style (17th ed.) Citation

Stubblebine, James H. An Altarpiece by Guido Da Siena. 1959.

MLA (9th ed.) Citation

Stubblebine, James H. An Altarpiece by Guido Da Siena. 1959.

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