APA(7版)引用形式
Hough, R. B. (1936). Handbook of the trees of the Northern States and Canada East of the Rocky Mountains: Photo-descriptive. Hough.
Chicagoスタイル(17版)引用形式
Hough, Romeyn Beck. Handbook of the Trees of the Northern States and Canada East of the Rocky Mountains: Photo-descriptive. Lowville, N.Y: Hough, 1936.
MLA(9版)引用形式
Hough, Romeyn Beck. Handbook of the Trees of the Northern States and Canada East of the Rocky Mountains: Photo-descriptive. Hough, 1936.
警告: この引用は必ずしも正確ではありません.