APA引文

Crook, R. H. (1990). An introduction to Christian ethics. Prentice Hall.

Chicago Style (17th ed.) Citation

Crook, Roger H. An Introduction to Christian Ethics. Englewood Cliffs/N.J: Prentice Hall, 1990.

MLA引文

Crook, Roger H. An Introduction to Christian Ethics. Prentice Hall, 1990.

警告：這些引文格式不一定是100％准確.