APA (7th ed.) Citation

Publishers Association (London). (1990). Cassell & the Publishers Association directory of publishing 1991 (16th ed.). Cassell.

Chicago Style (17th ed.) Citation

Publishers Association (London). Cassell & the Publishers Association Directory of Publishing 1991. 16th ed. London: Cassell, 1990.

MLA (9th ed.) Citation

Publishers Association (London). Cassell & the Publishers Association Directory of Publishing 1991. 16th ed. Cassell, 1990.

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