APA引文

Hildebrand, S. C. (1938). The effect of height & frequency of cutting alfalfa upon its growth & root development.

Chicago Style (17th ed.) Citation

Hildebrand, S. C. The Effect of Height & Frequency of Cutting Alfalfa upon Its Growth & Root Development. 1938.

MLA引文

Hildebrand, S. C. The Effect of Height & Frequency of Cutting Alfalfa upon Its Growth & Root Development. 1938.

警告：这些引文格式不一定是100％准确.