APA

Nicolai G. F., Grande J. & Grande C. A. B. (1919). The biology of war. New York: The Century co.

Chicago

Nicolai Georg Friedrich, Grande Julian and Grande Constance Alice Barnicoat. 1919. The biology of war. New York: The Century co.

Harvard

Nicolai G. F., Grande J. and Grande C. A. B. (1919). The biology of war. New York: The Century co.

MLA

Nicolai Georg Friedrich, Grande Julian and Grande Constance Alice Barnicoat. The biology of war. New York: The Century co. 1919.