APA Style
Darwin, Professor Charles. (1992).
On the Origin of Species .
:
Wordsworth Editions.
Chicago Style
Darwin, Professor Charles.
On the Origin of Species.
:
Wordsworth Editions,
1992.
Book.
MLA Style
Darwin, Professor Charles.
On the Origin of Species.
:
Wordsworth Editions,
1992.
Book.
Turabian Style
Darwin, Professor Charles.
On the Origin of Species.
:
Wordsworth Editions,
1992.
Book.