Markham, J. H. (1977). Seventy years in the Northwest forests. Loggers World Publications.
Style de citation Chicago (17e éd.)Markham, John H. Seventy Years in the Northwest Forests. Chehalis, Wash.: Loggers World Publications, 1977.
Style de citation MLA (8e éd.)Markham, John H. Seventy Years in the Northwest Forests. Loggers World Publications, 1977.
Attention : ces citations peuvent ne pas être correctes à 100%.