MLA

Cruz, Cristina, et al. Soil Nitrogen Ecology. Springer, 2021.

APA

Cruz, C., Choudhary, D. Kumar, Varma, A., & Vishwakarma, K. (2021). Soil Nitrogen Ecology. Springer.

Chicago

Cruz, Cristina, Devendra Kumar Choudhary, Ajit Varma, and Kanchan Vishwakarma. Soil Nitrogen Ecology. : Springer, 2021.