APA (7th ed.) Citation

Lukáč, J., Rovenský, J., Poprac, P., & Kopecký, Š. Extraarticular menifestations of rheumatoid artritis.

Chicago Style (17th ed.) Citation

Lukáč, J., Jozef Rovenský, P. Poprac, and Štefan Kopecký. Extraarticular Menifestations of Rheumatoid Artritis.

MLA (9th ed.) Citation

Lukáč, J., et al. Extraarticular Menifestations of Rheumatoid Artritis.

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