APA Style

Nickle, John. (2001). Ty Rex . USA: Scholastic INC.

Chicago Style

Nickle, John. Ty Rex. USA: Scholastic INC, 2001. Text.

MLA Style

Nickle, John. Ty Rex. USA: Scholastic INC, 2001. Text.

Turabian Style

Nickle, John. Ty Rex. USA: Scholastic INC, 2001. Print.