APA (7th ed.) Citation

Hajnal, P. I. (1983). Guide to Unesco. Oceana Publications.

Chicago Style (17th ed.) Citation

Hajnal, Peter I. Guide to Unesco. London ; New York: Oceana Publications, 1983.

MLA (8th ed.) Citation

Hajnal, Peter I. Guide to Unesco. Oceana Publications, 1983.

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