Citazione Stile APA (7a Edizione)

Heldreich, G. J. (1990). The History of the von Heldreich family and their English descendants: By Graeme John Heldreich. Aries Print.

Citazione stile Chigago Style (17a edizione)

Heldreich, Graeme John. The History of the Von Heldreich Family and Their English Descendants: By Graeme John Heldreich. Coventry: Aries Print, 1990.

Citatione MLA (8a ed.)

Heldreich, Graeme John. The History of the Von Heldreich Family and Their English Descendants: By Graeme John Heldreich. Aries Print, 1990.