APA (7th ed.) Citation

Neumann, H. H. (1987). Foreign travel & immunization guide (12th ed.). Medical Economics Books.

Chicago Style (17th ed.) Citation

Neumann, Hans H. Foreign Travel & Immunization Guide. 12th ed. Oradell, N.J.: Medical Economics Books, 1987.

MLA (9th ed.) Citation

Neumann, Hans H. Foreign Travel & Immunization Guide. 12th ed. Medical Economics Books, 1987.