APA (7th ed.) Citation

(1967). Area handbook for South Vietnam: Research and writing were completed on April 15, 1966. US Gov. Print. Off.

Chicago Style (17th ed.) Citation

Area Handbook for South Vietnam: Research and Writing Were Completed on April 15, 1966. Washington, DC: US Gov. Print. Off, 1967.

MLA (9th ed.) Citation

Area Handbook for South Vietnam: Research and Writing Were Completed on April 15, 1966. US Gov. Print. Off, 1967.