APA Style

Armstrong, Gary. (2009). Marketing: An Introduction. 9th Edition (9th Edition). New Jersey: Pearson Education.

Chicago Style

Armstrong, Gary. Marketing: An Introduction. 9th Edition. 9th Edition New Jersey: Pearson Education, 2009. Text.

MLA Style

Armstrong, Gary. Marketing: An Introduction. 9th Edition. 9th Edition New Jersey: Pearson Education, 2009. Text.

Turabian Style

Armstrong, Gary. Marketing: An Introduction. 9th Edition. 9th Edition New Jersey: Pearson Education, 2009. Print.