APA (7th ed.) Citation

Tomo, I. M., Tomo, I., Melník, M., & Kristová, V. DRUGS IN PREGNANCY.

Chicago Style (17th ed.) Citation

Tomo, I. M., I. Tomo, Milan Melník, and Viera Kristová. DRUGS IN PREGNANCY.

MLA (9th ed.) Citation

Tomo, I. M., et al. DRUGS IN PREGNANCY.