APA استشهاد

Fortey, R. (2005). The earth: An intimate history. Harper Perennial.

استشهاد بنمط شيكاغو

Fortey, Richard. The Earth: An Intimate History. London: Harper Perennial, 2005.

MLA استشهاد

Fortey, Richard. The Earth: An Intimate History. Harper Perennial, 2005.