Cita APA

De Miguel, E., Tomás, M., Benito, S., Gavilán, J., & Gijón, J. (1987). Ankylosing spondylitis and middle ear impairment.

Chicago Style Citation

De Miguel, E., M. Tomás, S. Benito, J. Gavilán, i J. Gijón. Ankylosing Spondylitis and Middle Ear Impairment. 1987.

Cita MLA

De Miguel, E., et al. Ankylosing Spondylitis and Middle Ear Impairment. 1987.