Цитирование APA (7-е изд.)
The folk songs of North America in the English language.
Цитирование в стиле Чикаго (17-е изд.)The Folk Songs of North America in the English Language.
Цитирование MLA (8-е изд.)The Folk Songs of North America in the English Language.
警告：這些引文格式不一定是100％准確.