APA (7th ed.) Citation

Relvas, L. M., Barros, S., Carvalho, I., & Velasco, F. Primary Liver Tumor? Not Everything Is What It Seems. Sociedade Galega de Medicina Interna.

Chicago Style (17th ed.) Citation

Relvas, Luís Miguel, Sónia Barros, Isabel Carvalho, and Francisco Velasco. Primary Liver Tumor? Not Everything Is What It Seems. Sociedade Galega de Medicina Interna.

MLA (9th ed.) Citation

Relvas, Luís Miguel, et al. Primary Liver Tumor? Not Everything Is What It Seems. Sociedade Galega de Medicina Interna.

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