Ludington, F. B. (1958). Books and libraries: Tools of the academic world. American Library Association.
Цитирование в стиле Чикаго (17-е изд.)Ludington, Flora Belle. Books and Libraries: Tools of the Academic World. Chicago: American Library Association, 1958.
Цитирование MLA (9-е изд.)Ludington, Flora Belle. Books and Libraries: Tools of the Academic World. American Library Association, 1958.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.