Gaya APA

Moutsopoulos, H, M. et al (2018). Rheumatology in Questions (1st ed. 2018). New york: Springer International Publishing.

Gaya MLA

Moutsopoulos, Haralampos, M.. et al. "Rheumatology in Questions". 1st ed. 2018 New york: Springer International Publishing, 2018. Text.