APA (7th ed.) Citation

Šimko, I., Ďurkovský, J., & Sebök, Z. Tumours of the Nasopharynx.

Chicago Style (17th ed.) Citation

Šimko, I., Juraj Ďurkovský, and Z. Sebök. Tumours of the Nasopharynx.

MLA (9th ed.) Citation

Šimko, I., et al. Tumours of the Nasopharynx.

Warning: These citations may not always be 100% accurate.