APA Citation

(1972). Vaccination certificate requirements and health advice for international travel: Situation as on 1 January 1972. Geneva: World Health Organization.

Chicago Style Citation

Vaccination Certificate Requirements and Health Advice for International Travel: Situation As On 1 January 1972. Geneva: World Health Organization, 1972.

MLA Citation

Vaccination Certificate Requirements and Health Advice for International Travel: Situation As On 1 January 1972. Geneva: World Health Organization, 1972.

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