APA Citation

Williams, R. V. (1959). The Penguin Book of English Folk Songs. Penguin Books.

Chicago Style Citation

Williams, R. Vaughan. The Penguin Book of English Folk Songs. Penguin Books, 1959.

MLA Citation

Williams, R. Vaughan. The Penguin Book of English Folk Songs. Penguin Books, 1959.

Warning: These citations may not always be 100% accurate.