APA (7th ed.) Citation

Martin, B. (1975). Butterflies becoming: A little nature book to be read aloud. Encyclopaedia Britannica Educational Corporation.

Chicago Style (17th ed.) Citation

Martin, Bill. Butterflies Becoming: A Little Nature Book to Be Read Aloud. Chicago, Ill.: Encyclopaedia Britannica Educational Corporation, 1975.

MLA (9th ed.) Citation

Martin, Bill. Butterflies Becoming: A Little Nature Book to Be Read Aloud. Encyclopaedia Britannica Educational Corporation, 1975.