APA Format
Christie, Agatha, 1890-1976 penulis. (2001).
Sad cypress/ Agatha Christie
. London; © 1940 Agatha Christie: Harper.
MLA Format
Christie, Agatha, 1890-1976 penulis.
Sad cypress/ Agatha Christie
. London; © 1940 Agatha Christie: Harper, 2001
Chicago Format
Christie, Agatha, 1890-1976 penulis. Sad cypress/ Agatha Christie. London; © 1940 Agatha Christie: Harper, 2001.