APA引文

Hansen, A. P. (1994). Symbiotic N2 Fixation of Crop Legumes: Achievements and perspectives. Neunkirchen, Germany: Margraf Verlag.

Trích dẫn kiểu Chicago

Hansen, Alexander P. Symbiotic N2 Fixation of Crop Legumes: Achievements and Perspectives. Neunkirchen, Germany: Margraf Verlag, 1994.

MLA引文

Hansen, Alexander P. Symbiotic N2 Fixation of Crop Legumes: Achievements and Perspectives. Neunkirchen, Germany: Margraf Verlag, 1994.

警告：这些引文格式不一定是100％准确.