APA

Nichols S. G., . (1983). Romanesque signs: early medieval narrative and iconography. New Haven, Conn: Yale University Press.

Chicago

Nichols Stephen G, . 1983. Romanesque signs: early medieval narrative and iconography. New Haven, Conn: Yale University Press.

Harvard

Nichols S. G., . (1983). Romanesque signs: early medieval narrative and iconography. New Haven, Conn: Yale University Press.

MLA

Nichols Stephen G, . Romanesque signs: early medieval narrative and iconography. New Haven, Conn: Yale University Press. 1983.