Παραπομπή σε μορφή APA (7η εκδ.)

Frucht, W. (1999). Imaginary numbers: An anthology of marvelous mathematical stories, diversions, poems, and musings. J. Wiley.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Frucht, William. Imaginary Numbers: An Anthology of Marvelous Mathematical Stories, Diversions, Poems, and Musings. New York: J. Wiley, 1999.

Παραπομπή σε μορφή MLA (8th εκδ.)

Frucht, William. Imaginary Numbers: An Anthology of Marvelous Mathematical Stories, Diversions, Poems, and Musings. J. Wiley, 1999.