APA (7th ed.) Citation

Gilchrist, P., & Jackson, P. (1985). Forty years peacekeeping.

Chicago Style (17th ed.) Citation

Gilchrist, Peter, and Paul Jackson. Forty Years Peacekeeping. 1985.

MLA (8th ed.) Citation

Gilchrist, Peter, and Paul Jackson. Forty Years Peacekeeping. 1985.

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