APA aipamena

Jourdain, P. E. B. (1913). The principle of least action. Open Court.

Chicago Style aipamena

Jourdain, Philip E. B. The Principle of Least Action. Chicago: Open Court, 1913.

MLA aipamena

Jourdain, Philip E. B. The Principle of Least Action. Open Court, 1913.