APA Style
Darwin,C, Allen, R.G.D.. (1950).
On The Origin of Species By Means of Natural Selection or The preservation of Favoured Races in the struggle for life .
London:
Watts & Co.
Chicago Style
Darwin,C, Allen, R.G.D..
On The Origin of Species By Means of Natural Selection or The preservation of Favoured Races in the struggle for life.
London:
Watts & Co,
1950.
.
MLA Style
Darwin,C, Allen, R.G.D..
On The Origin of Species By Means of Natural Selection or The preservation of Favoured Races in the struggle for life.
London:
Watts & Co,
1950.
.
Turabian Style
Darwin,C, Allen, R.G.D..
On The Origin of Species By Means of Natural Selection or The preservation of Favoured Races in the struggle for life.
London:
Watts & Co,
1950.
.