APA (7th ed.) Citation

Lancaster, Massingham, & Ashford. (2002). Essentials of marketing (4th ed.). McGraw-hill Publications.

Chicago Style (17th ed.) Citation

Lancaster, Massingham, and Ashford. Essentials of Marketing. 4th ed. London: McGraw-hill Publications, 2002.

MLA (8th ed.) Citation

Lancaster, et al. Essentials of Marketing. 4th ed. McGraw-hill Publications, 2002.