Style de citation APA

Peck, M. E. (1925). A Preliminary Sketch of the Plant Regions of Oregon II. The Cascade Mountains and Eastward. American Journal of Botany, 12(2), 69.

Style de citation Chicago

Peck, Morton E. "A Preliminary Sketch of the Plant Regions of Oregon II. The Cascade Mountains and Eastward." American Journal of Botany 12, no. 2 (1925): 69.

Style de citation MLA

Peck, Morton E. "A Preliminary Sketch of the Plant Regions of Oregon II. The Cascade Mountains and Eastward." American Journal of Botany, vol. 12, no. 2, 1925, p. 69.