Cita APA (7th ed.)

Semal, J. (1986). Somaclonal variations and crop environment. Martinus Nijhoff.

Cita Chicago (17th ed.)

Semal, Jean. Somaclonal Variations and Crop Environment. Dordrecht: Martinus Nijhoff, 1986.

Cita MLA (9th ed.)

Semal, Jean. Somaclonal Variations and Crop Environment. Martinus Nijhoff, 1986.