Cita APA (7a ed.)

Leigh, R. A., & Johnston, A. E. (1994). Long - term experiments in agricultural and ecological sciences: Proceedings. CAB International.

Cita Chicago Style (17a ed.)

Leigh, R. A., y A. E. Johnston. Long - Term Experiments in Agricultural and Ecological Sciences: Proceedings. Wallingford: CAB International, 1994.

Cita MLA (8a ed.)

Leigh, R. A., y A. E. Johnston. Long - Term Experiments in Agricultural and Ecological Sciences: Proceedings. CAB International, 1994.