Gaya APA
Lancet, T. (2013).
The Lancet Volume 380 Number 9859 - December 15, 2012-january 4, 2013 (1).
New York:
The Lancet.
Gaya MLA
Lancet, The.
"The Lancet Volume 380 Number 9859 - December 15, 2012-january 4, 2013".
1
New York:
The Lancet,
2013.
Hardcopy (Textbook).