Cita APA (7th ed.)

Nannen, H., & Finckh, G. (1988). Thomas Hartmann. Kunsthalle.

Cita Chicago (17th ed.)

Nannen, Henri, i Gerhard Finckh. Thomas Hartmann. Emden: Kunsthalle, 1988.

Cita MLA (8th ed.)

Nannen, Henri, i Gerhard Finckh. Thomas Hartmann. Kunsthalle, 1988.