APA引文

Singer, P. (1991). A Companion to ethics. Blackwell Reference.

Chicago Style (17th ed.) Citation

Singer, Peter. A Companion to Ethics. Oxford, UK ; Cambridge, Mass., USA: Blackwell Reference, 1991.

MLA引文

Singer, Peter. A Companion to Ethics. Blackwell Reference, 1991.

警告：這些引文格式不一定是100％准確.