Citazione Stile APA (7a Edizione)

Willis, R. F. (1986). From the sixteenth century to the contemporary age (2. ed.). Heath.

Citazione stile Chigago Style (17a edizione)

Willis, Roy F. From the Sixteenth Century to the Contemporary Age. 2. ed. Lexington, Mass: Heath, 1986.

Citatione MLA (9a ed.)

Willis, Roy F. From the Sixteenth Century to the Contemporary Age. 2. ed. Heath, 1986.