APA
Boyes G., Smith P. & Widdowson J. D. A. (1972). Traditional drama. Sheffield: The Survey of Language and Folklore & The Archives of Cultural Tradition.
Chicago
Boyes Georgina, Smith Paul and Widdowson J D A. 1972. Traditional drama. Sheffield: The Survey of Language and Folklore & The Archives of Cultural Tradition.
Harvard
Boyes G., Smith P. and Widdowson J. D. A. (1972). Traditional drama. Sheffield: The Survey of Language and Folklore & The Archives of Cultural Tradition.
MLA
Boyes Georgina, Smith Paul and Widdowson J D A. Traditional drama. Sheffield: The Survey of Language and Folklore & The Archives of Cultural Tradition. 1972.