APA Style
Darwin, Charles, Burrow, J.W.. (1968).
The origin of species : by means of natural selection or the preservation of favoured races in the struggle for life .
London:
Penguin group.
Chicago Style
Darwin, Charles, Burrow, J.W..
The origin of species : by means of natural selection or the preservation of favoured races in the struggle for life.
London:
Penguin group,
1968.
Text.
MLA Style
Darwin, Charles, Burrow, J.W..
The origin of species : by means of natural selection or the preservation of favoured races in the struggle for life.
London:
Penguin group,
1968.
Text.
Turabian Style
Darwin, Charles, Burrow, J.W..
The origin of species : by means of natural selection or the preservation of favoured races in the struggle for life.
London:
Penguin group,
1968.
Print.