APA Style
Richards, Roy. (1992).
On Nature .
Boston:
Simon & Schuster.
Chicago Style
Richards, Roy.
On Nature.
Boston:
Simon & Schuster,
1992.
Text.
MLA Style
Richards, Roy.
On Nature.
Boston:
Simon & Schuster,
1992.
Text.
Turabian Style
Richards, Roy.
On Nature.
Boston:
Simon & Schuster,
1992.
Print.