Cita APA (7th ed.)

Modave, M., & West, H. Praatvogel. [S.l.]: [s.n.].

Cita Chicago (17th ed.)

Modave, Marcel, i Henri West. Praatvogel. [S.l.]: [s.n.].

Cita MLA (8th ed.)

Modave, Marcel, i Henri West. Praatvogel. [S.l.]: [s.n.].