APA (7th ed.) Citation

Walker Sally M. (2010). Early Bird Earth Science Volcanoes. Lerner.

Chicago Style (17th ed.) Citation

Walker Sally M. Early Bird Earth Science Volcanoes. Lerner, 2010.

MLA (9th ed.) Citation

Walker Sally M. Early Bird Earth Science Volcanoes. Lerner, 2010.

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