APA citiranje

Wolfendale, M. R., Howe-Guest, R., Usherwood, M. M., & Draper, G. J. (1987). Controlled trial of a new cervical spatula.

Citação norma Chicago

Wolfendale, M R., R. Howe-Guest, M M. Usherwood, and G J. Draper. Controlled Trial of a New Cervical Spatula. 1987.

MLA citiranje

Wolfendale, M R., R. Howe-Guest, M M. Usherwood, and G J. Draper. Controlled Trial of a New Cervical Spatula. 1987.