Cita APA (7a ed.)

Loptson, P. (2007). Freedom, nature, and world. University of Ottawa Press.

Cita Chicago Style (17a ed.)

Loptson, Peter. Freedom, Nature, and World. Ottawa: University of Ottawa Press, 2007.

Cita MLA (8a ed.)

Loptson, Peter. Freedom, Nature, and World. University of Ottawa Press, 2007.