APA

Lü P., Zhang J., Liu W., Yang J., Dong S., Liu P. & Li D. (20130930). [Effects of nitrogen application period on the nitrogen metabolism key enzymes activities and antioxidant characteristics of high-yielding summer maize]. : Ying yong sheng tai xue bao = The journal of applied ecology.

Chicago

Lü Peng, Zhang Ji-Wang, Liu Wei, Yang Jin-Sheng, Dong Shu-Ting, Liu Peng and Li Deng-Hai. 20130930. [Effects of nitrogen application period on the nitrogen metabolism key enzymes activities and antioxidant characteristics of high-yielding summer maize]. : Ying yong sheng tai xue bao = The journal of applied ecology.

Harvard

Lü P., Zhang J., Liu W., Yang J., Dong S., Liu P. and Li D. (20130930). [Effects of nitrogen application period on the nitrogen metabolism key enzymes activities and antioxidant characteristics of high-yielding summer maize]. : Ying yong sheng tai xue bao = The journal of applied ecology.

MLA

Lü Peng, Zhang Ji-Wang, Liu Wei, Yang Jin-Sheng, Dong Shu-Ting, Liu Peng and Li Deng-Hai. [Effects of nitrogen application period on the nitrogen metabolism key enzymes activities and antioxidant characteristics of high-yielding summer maize]. : Ying yong sheng tai xue bao = The journal of applied ecology. 20130930.