APA (7th ed.) Citation

Bilder, P. (1987). El patito feo. Zig-Zag.

Chicago Style (17th ed.) Citation

Bilder, Paul. El Patito Feo. Sao Paulo: Zig-Zag, 1987.

MLA (9th ed.) Citation

Bilder, Paul. El Patito Feo. Zig-Zag, 1987.

Warning: These citations may not always be 100% accurate.