Cita APA (7a ed.)

Bell, E. A., & Charlwood, B. V. (1980). Secondary plant products. Springer-Verlag.

Cita Chicago Style (17a ed.)

Bell, E. A., y B. V. Charlwood. Secondary Plant Products. Berlin: Springer-Verlag, 1980.

Cita MLA (8a ed.)

Bell, E. A., y B. V. Charlwood. Secondary Plant Products. Springer-Verlag, 1980.