APA
Rehm S., Espig G., . (1991). The cultivated plants of the tropics and subtropics : cultivation, economic value, utilization. Weikersheim: Margraf; Technical Centre for Agriculture and Rural Co-Operation.
Chicago
Rehm Sigmund, Espig Gustav, . 1991. The cultivated plants of the tropics and subtropics : cultivation, economic value, utilization. Weikersheim: Margraf; Technical Centre for Agriculture and Rural Co-Operation.
Harvard
Rehm S., Espig G., . (1991). The cultivated plants of the tropics and subtropics : cultivation, economic value, utilization. Weikersheim: Margraf; Technical Centre for Agriculture and Rural Co-Operation.
MLA
Rehm Sigmund, Espig Gustav, . The cultivated plants of the tropics and subtropics : cultivation, economic value, utilization. Weikersheim: Margraf; Technical Centre for Agriculture and Rural Co-Operation. 1991.