APA (7e ed.) Bronvermelding

Spohn, J. E. (1978). Pictorial restoration: The history, ethics, materials, and techniques. [J.E. Spohn].

Chicago (17e ed.) Bronvermelding

Spohn, Jennifer Elizabeth. Pictorial Restoration: The History, Ethics, Materials, and Techniques. Florence: [J.E. Spohn], 1978.

MLA (8e ed.) Bronvermelding

Spohn, Jennifer Elizabeth. Pictorial Restoration: The History, Ethics, Materials, and Techniques. [J.E. Spohn], 1978.