APA Citation
Armstrong, G., Kotler, P., & Opresnik, M. O. Marketing: An introduction (Thirteenth edition.).
Chicago Style CitationArmstrong, Gary, Philip Kotler, and Marc O. Opresnik. Marketing: An Introduction. Thirteenth edition.
MLA CitationArmstrong, Gary, Philip Kotler, and Marc O. Opresnik. Marketing: An Introduction. Thirteenth edition.
Warning: These citations may not always be 100% accurate.