Citação norma APA

Marti, B., Knobloch, M., Tschopp, A., Jucker, A., & Howald, H. (1989). Is excessive running predictive of degenerative hip disease? Controlled study of former elite athletes.

Citação norma Chicago

Marti, B., M. Knobloch, A. Tschopp, A. Jucker, and H. Howald. Is Excessive Running Predictive of Degenerative Hip Disease? Controlled Study of Former Elite Athletes. 1989.

Citação norma MLA

Marti, B., et al. Is Excessive Running Predictive of Degenerative Hip Disease? Controlled Study of Former Elite Athletes. 1989.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.