Gaya APA

Daaleman, T, P., Helton, M, R. (2018). Chronic Illness Care (1st ed. 2018). New york: Springer International Publishing.

Gaya MLA

Daaleman, Timothy, P.., Helton, Margaret, R.. "Chronic Illness Care". 1st ed. 2018 New york: Springer International Publishing, 2018. Text.