APA (7th ed.) Citation

Markov, S., Markova, P., Karavelikova, I., & Halacheva, H. Foreign Bodies in Lower Airway in Children: Brief Review and Clinical Experience. MDPI AG.

Chicago Style (17th ed.) Citation

Markov, Stoyan, Petya Markova, Ivanka Karavelikova, and Hristina Halacheva. Foreign Bodies in Lower Airway in Children: Brief Review and Clinical Experience. MDPI AG.

MLA (9th ed.) Citation

Markov, Stoyan, et al. Foreign Bodies in Lower Airway in Children: Brief Review and Clinical Experience. MDPI AG.