APA (7th ed.) Citation

Avison,Brigid. (1993). I wonder why...: My body needs sleep and other questions about the human body. Readers digest young families inc.

Chicago Style (17th ed.) Citation

Avison,Brigid. I Wonder Why...: My Body Needs Sleep and Other Questions About the Human Body. New york: Readers digest young families inc, 1993.

MLA (9th ed.) Citation

Avison,Brigid. I Wonder Why...: My Body Needs Sleep and Other Questions About the Human Body. Readers digest young families inc, 1993.

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