APA (7th ed.) Citation
Hunke, R., & Gerstner, G. (2006). 55plus Marketing: Zukunftsmarkt Senioren. Gabler.
Chicago Style (17th ed.) Citation
Hunke, Reinhard, and Guido Gerstner. 55plus Marketing: Zukunftsmarkt Senioren. Wiesbaden: Gabler, 2006.
MLA (9th ed.) Citation
Hunke, Reinhard, and Guido Gerstner. 55plus Marketing: Zukunftsmarkt Senioren. Gabler, 2006.
Warning: These citations may not always be 100% accurate.