APA (7. basım) Alıntı

Spon, S. d. (1978). Supplement to History of the barons de Spon, comtes zu Forbach and allied families.

Chicago Style (17. basım) Atıf

Spon, Seymour de. Supplement to History of the Barons De Spon, Comtes Zu Forbach and Allied Families. [S.l.], 1978.

MLA (8th ed.) Atıf

Spon, Seymour de. Supplement to History of the Barons De Spon, Comtes Zu Forbach and Allied Families. 1978.