APA استشهاد

Knauth, P. (1972). (The) American north woods. Time-Life Books.

استشهاد بنمط شيكاغو

Knauth, Percy. (The) American North Woods. Amsterdam: Time-Life Books, 1972.

MLA استشهاد

Knauth, Percy. (The) American North Woods. Time-Life Books, 1972.