APA (7th ed.) Citation

Materia, V. (1990). Gravity Fitness: [Grundlagen der Fitnesslehre] (1. Aufl.). Materia-Fitness-GmbH.

Chicago Style (17th ed.) Citation

Materia, Vincenzo. Gravity Fitness: [Grundlagen Der Fitnesslehre]. 1. Aufl. Hannover: Materia-Fitness-GmbH, 1990.

MLA (9th ed.) Citation

Materia, Vincenzo. Gravity Fitness: [Grundlagen Der Fitnesslehre]. 1. Aufl. Materia-Fitness-GmbH, 1990.

Warning: These citations may not always be 100% accurate.