Cita APA (7a ed.)
Feachem, R. G. (1978). Small screta disposal systems. Ross Institute of Tropical Hygiene.
Cita estilo Chicago (17a ed.)
Feachem, Richard G. Small Screta Disposal Systems. Londres, Inglaterra: Ross Institute of Tropical Hygiene, 1978.
Cita MLA (9a ed.)
Feachem, Richard G. Small Screta Disposal Systems. Ross Institute of Tropical Hygiene, 1978.
Precaución: Estas citas no son 100% exactas.