APA Style

WELLNER, K. (2015). User Innovators in the Silver Market An Empirical Study among Camping Tourists . Springer Fachmedien Wiesbaden: Springer Gabler Wiesbaden.

MLA Style

WELLNER, Konstantin. "User Innovators in the Silver Market An Empirical Study among Camping Tourists". Springer Fachmedien Wiesbaden: Springer Gabler Wiesbaden, 2015. Text.