Παραπομπή σε μορφή APA (7η εκδ.)

Douglas, C. (1980). Swans of other worlds: Kazimir Malevich and the origins of abstraction in Russia / by Charlotte Douglas. UMI Research Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Douglas, Charlotte. Swans of Other Worlds: Kazimir Malevich and the Origins of Abstraction in Russia / by Charlotte Douglas. Ann Arbor, Michigan: UMI Research Press, 1980.

Παραπομπή σε μορφή MLA (8th εκδ.)

Douglas, Charlotte. Swans of Other Worlds: Kazimir Malevich and the Origins of Abstraction in Russia / by Charlotte Douglas. UMI Research Press, 1980.