APA (7th ed.) Citation

Boss, S. J., & Cann, H. (1999). Mary's story. Barefoot Books.

Chicago Style (17th ed.) Citation

Boss, Sarah Jane, and Helen Cann. Mary's Story. New York: Barefoot Books, 1999.

MLA (8th ed.) Citation

Boss, Sarah Jane, and Helen Cann. Mary's Story. Barefoot Books, 1999.