Cita APA (7th ed.)

Food and Agriculture Organization of the United Nations. (1979). China: Azolla propagation and small-scale biogas technology. FAO.

Cita Chicago (17th ed.)

Food and Agriculture Organization of the United Nations. China: Azolla Propagation and Small-scale Biogas Technology. Rome: FAO, 1979.

Cita MLA (9th ed.)

Food and Agriculture Organization of the United Nations. China: Azolla Propagation and Small-scale Biogas Technology. FAO, 1979.