APA (7th ed.) Citation

Speak-Up & Lehmann, M. (2007). ¡Porque lo digo yo! Aurum.

Chicago Style (17th ed.) Citation

Speak-Up and Michael Lehmann. ¡Porque Lo Digo Yo! Madrid: Aurum, 2007.

MLA (9th ed.) Citation

Speak-Up and Michael Lehmann. ¡Porque Lo Digo Yo! Aurum, 2007.

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