Cita APA (7th ed.)

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.

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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