APA Style
Richards,O.W and Davies,R.G. (1951).
A General Text book of Entomology (8th Edition) .
London:
English Language Book Society.
Chicago Style
Richards,O.W and Davies,R.G.
A General Text book of Entomology (8th Edition).
London:
English Language Book Society,
1951.
.
MLA Style
Richards,O.W and Davies,R.G.
A General Text book of Entomology (8th Edition).
London:
English Language Book Society,
1951.
.
Turabian Style
Richards,O.W and Davies,R.G.
A General Text book of Entomology (8th Edition).
London:
English Language Book Society,
1951.
.