APA (7th ed.) Citation

Stewart, K. Whitman's new encyclopedia of knowledge: Earth and environment. Whitman's books.

Chicago Style (17th ed.) Citation

Stewart, Kathy. Whitman's New Encyclopedia of Knowledge: Earth and Environment. UK: Whitman's books.

MLA (9th ed.) Citation

Stewart, Kathy. Whitman's New Encyclopedia of Knowledge: Earth and Environment. Whitman's books.

Warning: These citations may not always be 100% accurate.