APA (7th ed.) Citation

Gwen, S., & Sonia, N. (2010). Mary's Atlas Mary Meets Ontario. Peanut Butter Press.

Chicago Style (17th ed.) Citation

Gwen, Smid, and Nadeau Sonia. Mary's Atlas Mary Meets Ontario. Canada: Peanut Butter Press, 2010.

MLA (9th ed.) Citation

Gwen, Smid, and Nadeau Sonia. Mary's Atlas Mary Meets Ontario. Peanut Butter Press, 2010.

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