APA引文

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引文

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

警告：這些引文格式不一定是100％准確.