APA引文

Rockwell, A. F. (1998). Our earth. Silver Whistle/Harcourt Brace.

Chicago Style (17th ed.) Citation

Rockwell, Anne F. Our Earth. San Diego: Silver Whistle/Harcourt Brace, 1998.

MLA引文

Rockwell, Anne F. Our Earth. Silver Whistle/Harcourt Brace, 1998.

警告：這些引文格式不一定是100％准確.