APA (7th ed.) Citation

Jagadish K Chhetri. (2017). Immunisation of older adults: Where are the frail? Elsevier.

Chicago Style (17th ed.) Citation

Jagadish K Chhetri. Immunisation of Older Adults: Where Are the Frail? Elsevier, 2017.

MLA (9th ed.) Citation

Jagadish K Chhetri. Immunisation of Older Adults: Where Are the Frail? Elsevier, 2017.

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