APA引文

Ward, R. C. (1967). Principles of hydrology. McGraw-Hill.

Chicago Edition Citation

Ward, R C. Principles of Hydrology. Newyork: McGraw-Hill, 1967.

MLA引文

Ward, R C. Principles of Hydrology. McGraw-Hill, 1967.

警告：這些引文格式不一定是100％准確.