APA Style

I Spy Gold Challenger! :a book of picture riddles;;;9. (>;;<). : Walter.

Chicago Style

I Spy Gold Challenger! :a book of picture riddles;;;9. ;1998;"31 p. : - col. ill. ;";I spy books;793. 735. : Walter, >;;<. 78059E+12;Scholastic.

MLA Style

I Spy Gold Challenger! :a book of picture riddles;;;9. ;1998;"31 p. : - col. ill. ;";I spy books;793. 735. : Walter, >;;<. 78059E+12;Scholastic.

Turabian Style

I Spy Gold Challenger! :a book of picture riddles;;;9. : Walter, >;;<. 78059E+12;Scholastic.