APA (7th ed.) Citation

Nöstlinger, C., & Pastor, L. El abuelo misterioso.

Chicago Style (17th ed.) Citation

Nöstlinger, Chistine, and Luis Pastor. El Abuelo Misterioso.

MLA (9th ed.) Citation

Nöstlinger, Chistine, and Luis Pastor. El Abuelo Misterioso.

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