APA引文

Walker, R. (2011). What is the theory of evolution? Crabtree Pub..

Chicago Style (17th ed.) Citation

Walker, Robert. What Is the Theory of Evolution? New York, N.Y.: Crabtree Pub., 2011.

MLA引文

Walker, Robert. What Is the Theory of Evolution? Crabtree Pub., 2011.

警告：這些引文格式不一定是100％准確.