APA (7th ed.) Citation

Trevelyan, H. (1973). Diplomatic channels. Macmillan.

Chicago Style (17th ed.) Citation

Trevelyan, Humphrey. Diplomatic Channels. London [u.a.]: Macmillan, 1973.

MLA (9th ed.) Citation

Trevelyan, Humphrey. Diplomatic Channels. Macmillan, 1973.

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