Cita APA (7a ed.)

Wilson, P. W. (1937). The romance of the calendar. W. W. Norton.

Cita Chicago Style (17a ed.)

Wilson, Philip Whitwell. The Romance of the Calendar. New Yor: W. W. Norton, 1937.

Cita MLA (9a ed.)

Wilson, Philip Whitwell. The Romance of the Calendar. W. W. Norton, 1937.