APA Style
Richards,B,N.. (1974).
Introducion To The Soil Ecosystem (3 th).
:
Longman.
Chicago Style
Richards,B,N..
Introducion To The Soil Ecosystem.
3 th
:
Longman,
1974.
Text.
MLA Style
Richards,B,N..
Introducion To The Soil Ecosystem.
3 th
:
Longman,
1974.
Text.
Turabian Style
Richards,B,N..
Introducion To The Soil Ecosystem.
3 th
:
Longman,
1974.
Print.