APA引文

Seitz, W. D., Nelson, G. C., & Halcrow, H. G. (1994). Economics of resources, agriculture, and food. New York ; Singapore: McGraw-Hill.

Trích dẫn kiểu Chicago

Seitz, Wesley D., Gerald C. Nelson, và Harold G. Halcrow. Economics of Resources, Agriculture, and Food. New York ; Singapore: McGraw-Hill, 1994.

MLA引文

Seitz, Wesley D., Gerald C. Nelson, và Harold G. Halcrow. Economics of Resources, Agriculture, and Food. New York ; Singapore: McGraw-Hill, 1994.

警告：這些引文格式不一定是100％准確.