Цитирование APA (7-е изд.)
Russia and Norway. Physical and Symbolic Borders.
Цитирование в стиле Чикаго (17-е изд.)Russia and Norway. Physical and Symbolic Borders.
Цитирование MLA (8-е изд.)Russia and Norway. Physical and Symbolic Borders.
警告：这些引文格式不一定是100％准确.