APA

Judd J. W., . (1888). Volcanoes. London: K.P.Trench & Co.

Chicago

Judd John W, . 1888. Volcanoes. London: K.P.Trench & Co.

Harvard

Judd J. W., . (1888). Volcanoes. London: K.P.Trench & Co.

MLA

Judd John W, . Volcanoes. London: K.P.Trench & Co. 1888.