APA (7th ed.) Citation

Hajnal, P. I. (1978). Guide to United Nations organization, documentation & publishing for students, researchers, librarians. Oceana Publications.

Chicago Style (17th ed.) Citation

Hajnal, Peter I. Guide to United Nations Organization, Documentation & Publishing for Students, Researchers, Librarians. Dobbs Ferry, NY: Oceana Publications, 1978.

MLA (9th ed.) Citation

Hajnal, Peter I. Guide to United Nations Organization, Documentation & Publishing for Students, Researchers, Librarians. Oceana Publications, 1978.