Cita APA (7a ed.)

Burcardo = Bvrchardvs. (1985). APOLOGIA de Barbis.- Ed. R.B.C. Huygens. With an Introduction on beards in the Middle Ages by G. Constable. Brepols ed.

Cita Chicago Style (17a ed.)

Burcardo = Bvrchardvs. APOLOGIA De Barbis.- Ed. R.B.C. Huygens. With an Introduction on Beards in the Middle Ages by G. Constable. Tvrnholti: Brepols ed, 1985.

Cita MLA (9a ed.)

Burcardo = Bvrchardvs. APOLOGIA De Barbis.- Ed. R.B.C. Huygens. With an Introduction on Beards in the Middle Ages by G. Constable. Brepols ed, 1985.