APA Style

Bradley, Catherine. (1998). Life in the mountains . World Book: World Book.

Chicago Style

Bradley, Catherine. Life in the mountains. World Book: World Book, 1998. REF.

MLA Style

Bradley, Catherine. Life in the mountains. World Book: World Book, 1998. REF.

Turabian Style

Bradley, Catherine. Life in the mountains. World Book: World Book, 1998. REF.