Trích dẫn APA

Robertson, G. (1979). Obscenity: An account of censorship laws and their enforcement in Egland and Wales. Weidenfield and Nicolson.

Trích dẫn kiểu Chicago

Robertson, Geoffery. Obscenity: An Account of Censorship Laws and Their Enforcement in Egland and Wales. London: Weidenfield and Nicolson, 1979.

Trích dẫn MLA

Robertson, Geoffery. Obscenity: An Account of Censorship Laws and Their Enforcement in Egland and Wales. Weidenfield and Nicolson, 1979.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.