Gaya APA
Nagaratnam, N. et al
(2018).
Geriatric Diseases
(
1st ed. 2018)
.
New york:
Springer International Publishing.
Gaya MLA
Nagaratnam, Nages. et al.
"Geriatric Diseases".
1st ed. 2018
New york:
Springer International Publishing,
2018.
Text.