APA (7th ed.) Citation

Nelson, C., & Ponder, J. (2010). Turtle Girls. Science & Children, 47(6), 27.

Chicago Style (17th ed.) Citation

Nelson, Charles, and Jennifer Ponder. "Turtle Girls." Science & Children 47, no. 6 (2010): 27.

MLA (9th ed.) Citation

Nelson, Charles, and Jennifer Ponder. "Turtle Girls." Science & Children, vol. 47, no. 6, 2010, p. 27.