APA
Ball W J, . (1955). Selected texts of modern dialogue: A selection of passages of modern dialogue for oral practice in reading and the precis and comprehension of conversational english. London, UK: Longmans, Green and Co.
Chicago
Ball W J, . 1955. Selected texts of modern dialogue: A selection of passages of modern dialogue for oral practice in reading and the precis and comprehension of conversational english. London, UK: Longmans, Green and Co.
Harvard
Ball W J, . (1955). Selected texts of modern dialogue: A selection of passages of modern dialogue for oral practice in reading and the precis and comprehension of conversational english. London, UK: Longmans, Green and Co.
MLA
Ball W J, . Selected texts of modern dialogue: A selection of passages of modern dialogue for oral practice in reading and the precis and comprehension of conversational english. London, UK: Longmans, Green and Co. 1955.