Cita APA (7th ed.)

Sanford, W. W., Usman, S., Obot, E. O., Isichei, A. O., & Wari, M. (2014). Relationship of Woody Plants to Herbaceous Production in Nigerian Savanna.

Cita Chicago (17th ed.)

Sanford, William W., Sugei Usman, Emmanuel O. Obot, Augustine O. Isichei, i Musa Wari. Relationship of Woody Plants to Herbaceous Production in Nigerian Savanna. 2014.

Cita MLA (9th ed.)

Sanford, William W., et al. Relationship of Woody Plants to Herbaceous Production in Nigerian Savanna. 2014.