Gaya APA

Gregory, K. (1997). Across the wide and lonesome prairie : the oregon trail diary of Hattie Campbell / Kristiana Gregory . New York: Scholastic.

Gaya MLA

Gregory, Kristiana. "Across the wide and lonesome prairie : the oregon trail diary of Hattie Campbell / Kristiana Gregory". New York: Scholastic, 1997. English Corner.