APA (7th ed.) Zitazioa

Ert & Blum, S. (1976). Designs by ert: Fashion drawings and illustrations from harper's bazar. Dover Publications.

Chicago Style (17th ed.) Zitazioa

Ert eta Stella Blum. Designs by Ert: Fashion Drawings and Illustrations from Harper's Bazar. New York: Dover Publications, 1976.

MLA (9th ed.) Zitazioa

Ert eta Stella Blum. Designs by Ert: Fashion Drawings and Illustrations from Harper's Bazar. Dover Publications, 1976.