APA引文

Markle, S. (2010). Leopard seals. Lerner Publications.

Chicago Style (17th ed.) Citation

Markle, Sandra. Leopard Seals. Minneapolis, Minn.: Lerner Publications, 2010.

MLA引文

Markle, Sandra. Leopard Seals. Lerner Publications, 2010.

警告：這些引文格式不一定是100％准確.