Sharpe, G. W., & Sharpe, W. (1954). 101 wildflowers of Olympic National Park. [University of Washington Press].
Style de citation Chicago (17e éd.)Sharpe, Grant William, et Wenonah Sharpe. 101 Wildflowers of Olympic National Park. [Seattle]: [University of Washington Press], 1954.
Style de citation MLA (8e éd.)Sharpe, Grant William, et Wenonah Sharpe. 101 Wildflowers of Olympic National Park. [University of Washington Press], 1954.
Attention : ces citations peuvent ne pas être correctes à 100%.