APA-viite

Gaul, C., Roguski, J., Shanib, H., Totzeck, A., Görlinger, K., Diener, H., & Weber, R. (2013). Efficacy and safety of occipital nerve blocks in cluster headache: A prospective observational study. Springer.

Chicago-tyylinen lähdeviittaus

Gaul, C., J. Roguski, H. Shanib, A. Totzeck, K. Görlinger, HC Diener, ja R. Weber. Efficacy and Safety of Occipital Nerve Blocks in Cluster Headache: A Prospective Observational Study. Springer, 2013.

MLA-viite

Gaul, C., et al. Efficacy and Safety of Occipital Nerve Blocks in Cluster Headache: A Prospective Observational Study. Springer, 2013.

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