APA Style

Paulsen, Gary. (1990). Tracker . USA: Scholastic INC.

Chicago Style

Paulsen, Gary. Tracker. USA: Scholastic INC, 1990. Text.

MLA Style

Paulsen, Gary. Tracker. USA: Scholastic INC, 1990. Text.

Turabian Style

Paulsen, Gary. Tracker. USA: Scholastic INC, 1990. Print.