Cita APA (7th ed.)

Snell, F. J. (1923). The fourteenth century. Blackwood.

Cita Chicago (17th ed.)

Snell, F. J. The Fourteenth Century. Edinburgh: Blackwood, 1923.

Cita MLA (8th ed.)

Snell, F. J. The Fourteenth Century. Blackwood, 1923.