APA引文

Sloan, C. (2011). Baby mammoth mummy: Frozen in time ; a prehistoric animal's journey into the 21st century. National Geographic.

Chicago Style (17th ed.) Citation

Sloan, Christopher. Baby Mammoth Mummy: Frozen in Time ; a Prehistoric Animal's Journey into the 21st Century. Washington, D.C.: National Geographic, 2011.

MLA引文

Sloan, Christopher. Baby Mammoth Mummy: Frozen in Time ; a Prehistoric Animal's Journey into the 21st Century. National Geographic, 2011.

警告：這些引文格式不一定是100％准確.