Cita APA (7a ed.)

Engelstad, O. P. (1985). Fertilizer technology and use (3th. ed.). Soil Science Society of America.

Cita Chicago Style (17a ed.)

Engelstad, O. P. Fertilizer Technology and Use. 3th. ed. Madison: Soil Science Society of America, 1985.

Cita MLA (8a ed.)

Engelstad, O. P. Fertilizer Technology and Use. 3th. ed. Soil Science Society of America, 1985.