Petrik, M & Kaiser, N. (2015). CrossFit Ultra-Workouts. Intensivtraining für Fortgeschrittene. München: BLV-Verlagsgesellschaft mbH.
APA (7th ed.) CitationPetrik, M., & Kaiser, N. (2015). CrossFit Ultra-Workouts. Intensivtraining für Fortgeschrittene. BLV-Verlagsgesellschaft mbH.
Chicago Style (17th ed.) CitationPetrik, M., and N. Kaiser. CrossFit Ultra-Workouts. Intensivtraining Für Fortgeschrittene. München: BLV-Verlagsgesellschaft mbH, 2015.
MLA (9th ed.) CitationPetrik, M., and N. Kaiser. CrossFit Ultra-Workouts. Intensivtraining Für Fortgeschrittene. BLV-Verlagsgesellschaft mbH, 2015.
Warning: These citations may not always be 100% accurate.