APA (7e ed.) Bronvermelding

Spon, J. S. d. History of the Barons de Spon, Comtes zu Forbach, and allied families (1978) (Lithogr.). Priv. produced.

Chicago (17e ed.) Bronvermelding

Spon, John Seymour de. History of the Barons De Spon, Comtes Zu Forbach, and Allied Families (1978). Lithogr. London: Priv. produced.

MLA (8e ed.) Bronvermelding

Spon, John Seymour de. History of the Barons De Spon, Comtes Zu Forbach, and Allied Families (1978). Lithogr. Priv. produced.