APA (7th ed.) Citation

Grotkasten, S., & Kienzerle, H. (1993). Gimnasia para la columna vertebral. Paidotribo.

Chicago Style (17th ed.) Citation

Grotkasten, Silke, and Hubert Kienzerle. Gimnasia Para La Columna Vertebral. Barcelona: Paidotribo, 1993.

MLA (9th ed.) Citation

Grotkasten, Silke, and Hubert Kienzerle. Gimnasia Para La Columna Vertebral. Paidotribo, 1993.

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