Cita APA (7a ed.)

David, D., & Davidescu, V. (1982). Evaluation of fertility by plant and soil analysis. Abacus Press & Tunbridge Wells.

Cita Chicago Style (17a ed.)

David, Davidescu, y Velicica Davidescu. Evaluation of Fertility by Plant and Soil Analysis. England: Abacus Press & Tunbridge Wells, 1982.

Cita MLA (9a ed.)

David, Davidescu, y Velicica Davidescu. Evaluation of Fertility by Plant and Soil Analysis. Abacus Press & Tunbridge Wells, 1982.