Cita APA (7th ed.)

Heinzelmann, M., & Theys, H. (2007). Ann Veronica Janssens: An den Frühling / A Book Made by Hans Theys For Museum Morsbroich Leverkusen. DuMont [u.a.].

Cita Chicago (17th ed.)

Heinzelmann, Markus, i Hans Theys. Ann Veronica Janssens: An Den Frühling / A Book Made by Hans Theys For Museum Morsbroich Leverkusen. Köln: DuMont [u.a.], 2007.

Cita MLA (8th ed.)

Heinzelmann, Markus, i Hans Theys. Ann Veronica Janssens: An Den Frühling / A Book Made by Hans Theys For Museum Morsbroich Leverkusen. DuMont [u.a.], 2007.