APA citiranje

Kilpatrick, M. E., Yassin, M. W., Girgis, N. I., & El Ella, A. A. (1982). Post lumbar puncture headache.

Citação norma Chicago

Kilpatrick, M E., M W. Yassin, N I. Girgis, and A Abu El Ella. Post Lumbar Puncture Headache. 1982.

MLA citiranje

Kilpatrick, M E., M W. Yassin, N I. Girgis, and A Abu El Ella. Post Lumbar Puncture Headache. 1982.