APA (7th ed.) Citation

Engels, W. (1969). Acta pacis Westphalicae. Acta Pacis Westphalicae.

Chicago Style (17th ed.) Citation

Engels, Wilhelm. "Acta Pacis Westphalicae." Acta Pacis Westphalicae 1969.

MLA (8th ed.) Citation

Engels, Wilhelm. "Acta Pacis Westphalicae." Acta Pacis Westphalicae, 1969.

Warning: These citations may not always be 100% accurate.