APA

Harshberger J. W. (. W. 1., . (1911). Phytogeographic survey of North America : a consideration of the Phytogeography of the North American Continent, including Mexico, Central America, and the West Indies, together with the Evolution of North American Plant Distribution. Leipzig: Wilhelm Engelmann.

Chicago

Harshberger John W (John William) 1869-1929, . 1911. Phytogeographic survey of North America : a consideration of the Phytogeography of the North American Continent, including Mexico, Central America, and the West Indies, together with the Evolution of North American Plant Distribution. Leipzig: Wilhelm Engelmann.

Harvard

Harshberger J. W. (. W. 1., . (1911). Phytogeographic survey of North America : a consideration of the Phytogeography of the North American Continent, including Mexico, Central America, and the West Indies, together with the Evolution of North American Plant Distribution. Leipzig: Wilhelm Engelmann.

MLA

Harshberger John W (John William) 1869-1929, . Phytogeographic survey of North America : a consideration of the Phytogeography of the North American Continent, including Mexico, Central America, and the West Indies, together with the Evolution of North American Plant Distribution. Leipzig: Wilhelm Engelmann. 1911.