APA (7th ed.) Citation

Petrescu, N. (1921). Thoughts on war and peace: An inquiry into the conceptions prevailing in foreign politics. Watts & Co..

Chicago Style (17th ed.) Citation

Petrescu, Nicholas. Thoughts on War and Peace: An Inquiry into the Conceptions Prevailing in Foreign Politics. London: Watts & Co., 1921.

MLA (8th ed.) Citation

Petrescu, Nicholas. Thoughts on War and Peace: An Inquiry into the Conceptions Prevailing in Foreign Politics. Watts & Co., 1921.