Cita APA (7th ed.)

(1985). C. Stake / J.O. Olbrich: *Clean up your act* ; Performance catalogue. Kartonagenfabrik.

Cita Chicago (17th ed.)

C. Stake / J.O. Olbrich: *Clean Up Your Act* ; Performance Catalogue. Annweiler: Kartonagenfabrik, 1985.

Cita MLA (8th ed.)

C. Stake / J.O. Olbrich: *Clean Up Your Act* ; Performance Catalogue. Kartonagenfabrik, 1985.