Cita APA (7a ed.)

Ero, I. I., & Sanford, W. W. (2014). Guinea Savanna Structure and Land-use in Northwestern Nigeria. Obafemi Awolowo University.

Cita Chicago Style (17a ed.)

Ero, Isaac Izogie, y W. W. Sanford. Guinea Savanna Structure and Land-use in Northwestern Nigeria. Obafemi Awolowo University, 2014.

Cita MLA (9a ed.)

Ero, Isaac Izogie, y W. W. Sanford. Guinea Savanna Structure and Land-use in Northwestern Nigeria. Obafemi Awolowo University, 2014.