Cita APA (7th ed.)

Gilbert, J. (1895). Agricultural investigation at Rothamsted, England during a period of fifty years: научное издание.

Cita Chicago (17th ed.)

Gilbert, J.H. Agricultural Investigation at Rothamsted, England During a Period of Fifty Years: научное издание. 1895.

Cita MLA (9th ed.)

Gilbert, J.H. Agricultural Investigation at Rothamsted, England During a Period of Fifty Years: научное издание. 1895.