APA (7th ed.) Citation

RUTH. (2005). Yackety-yak,the alien's back. Chrysalis Children's Books.

Chicago Style (17th ed.) Citation

RUTH. Yackety-yak,the Alien's Back. London: Chrysalis Children's Books, 2005.

MLA (9th ed.) Citation

RUTH. Yackety-yak,the Alien's Back. Chrysalis Children's Books, 2005.

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