APA (7th ed.) Citation

Langevin, P. Telephone conversation re telegram from Paul Langevin (note).

Chicago Style (17th ed.) Citation

Langevin, Paul. Telephone Conversation Re Telegram from Paul Langevin (note).

MLA (8th ed.) Citation

Langevin, Paul. Telephone Conversation Re Telegram from Paul Langevin (note).

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