APA
O'Neill A., . (1995). I Wonder Why Butterflies Flutter. New York: Reader's Digest Young Families.
Chicago
O'Neill Amanda, . 1995. I Wonder Why Butterflies Flutter. New York: Reader's Digest Young Families.
Harvard
O'Neill A., . (1995). I Wonder Why Butterflies Flutter. New York: Reader's Digest Young Families.
MLA
O'Neill Amanda, . I Wonder Why Butterflies Flutter. New York: Reader's Digest Young Families. 1995.