APA Style

Sachar, Louis. (1997). There's A Boy In The Girl's Bathroom . USA: Scholastic INC.

Chicago Style

Sachar, Louis. There's A Boy In The Girl's Bathroom. USA: Scholastic INC, 1997. Text.

MLA Style

Sachar, Louis. There's A Boy In The Girl's Bathroom. USA: Scholastic INC, 1997. Text.

Turabian Style

Sachar, Louis. There's A Boy In The Girl's Bathroom. USA: Scholastic INC, 1997. Print.