APA引文

Duff, P. (1993). Holmes'principles of Physical Geology, 4th ed. Chapman &Hall.

Chicago Edition Citation

Duff, P.McL.D. Holmes'principles of Physical Geology, 4th Ed. London: Chapman &Hall, 1993.

MLA引文

Duff, P.McL.D. Holmes'principles of Physical Geology, 4th Ed. Chapman &Hall, 1993.

警告：这些引文格式不一定是100％准确.