United States Government Printing Office, Style Board. (1968). Word Division. Supplement to Government Printing Office Style Manual (7. Aufl.).
Цитирование в стиле Чикаго (17-е изд.)United States Government Printing Office, Style Board. Word Division. Supplement to Government Printing Office Style Manual. 7. Aufl. Washington, 1968.
Цитирование MLA (8-е изд.)United States Government Printing Office, Style Board. Word Division. Supplement to Government Printing Office Style Manual. 7. Aufl. 1968.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.