Cita APA

Cullan, A. M., & Grover, M. L. (2011). 56-Year-Old Woman With Positional Headache. Mayo Foundation for Medical Education and Research.

Chicago Style Citation

Cullan, Allison M., i Michael L. Grover. 56-Year-Old Woman With Positional Headache. Mayo Foundation for Medical Education and Research, 2011.

Cita MLA

Cullan, Allison M., i Michael L. Grover. 56-Year-Old Woman With Positional Headache. Mayo Foundation for Medical Education and Research, 2011.