Cita APA (7a ed.)

Hartley, E. (2006). Constantine the Great: York's Roman emperor. York Museums and Galleries Trust in association with Lund Humphries.

Cita Chicago Style (17a ed.)

Hartley, Elizabeth. Constantine the Great: York's Roman Emperor. York: York Museums and Galleries Trust in association with Lund Humphries, 2006.

Cita MLA (9a ed.)

Hartley, Elizabeth. Constantine the Great: York's Roman Emperor. York Museums and Galleries Trust in association with Lund Humphries, 2006.