APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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