APA-viite (7. p.)

Spring, M., Aderkas, N. v., Rukavina, F., & Peggie, D. (2017). An stronomer by Ferdinand Bol: Materials, Colour Change and Conservation. National Gallery Technical Bulletin : Volume 38.

Chicago-viite (17. p.)

Spring, Marika, Nelly von Aderkas, Flaminia Rukavina, ja David Peggie. "An Stronomer by Ferdinand Bol: Materials, Colour Change and Conservation." National Gallery Technical Bulletin : Volume 38 2017.

MLA-viite (8. p.)

Spring, Marika, et al. "An Stronomer by Ferdinand Bol: Materials, Colour Change and Conservation." National Gallery Technical Bulletin : Volume 38, 2017.