APA Style
El-Swaify, S.A. ..(et..al.). (1985).
Soil erosion and conservation .
USA:
Soil Conservation Society of America.
Chicago Style
El-Swaify, S.A. ..(et..al.).
Soil erosion and conservation.
USA:
Soil Conservation Society of America,
1985.
Texts.
MLA Style
El-Swaify, S.A. ..(et..al.).
Soil erosion and conservation.
USA:
Soil Conservation Society of America,
1985.
Texts.
Turabian Style
El-Swaify, S.A. ..(et..al.).
Soil erosion and conservation.
USA:
Soil Conservation Society of America,
1985.
Texts.