APA citiranje

Busch, O. R. C., Hop, W. C. J., Marquet, R. L., & Jeekel, J. (1997). Letters to the Editor.

Citação norma Chicago

Busch, Olivier R. C., Wim C. J. Hop, Richard L. Marquet, and Johannes Jeekel. Letters to the Editor. 1997.

MLA citiranje

Busch, Olivier R. C., Wim C. J. Hop, Richard L. Marquet, and Johannes Jeekel. Letters to the Editor. 1997.