APA (7th ed.) Citation

Kerrod, R. (1991). The World book encyclopedia of science: The planet Earth (Vol. 4.). World Book,Inc..

Chicago Style (17th ed.) Citation

Kerrod, Robin. The World Book Encyclopedia of Science: The Planet Earth. Vol. 4. Chicago: World Book,Inc., 1991.

MLA (9th ed.) Citation

Kerrod, Robin. The World Book Encyclopedia of Science: The Planet Earth. Vol. 4. World Book,Inc., 1991.

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