APA Style
E, ., T, P, J. (21 May 2015).
Oxford Advanced Learner's Dictionary, 9th edition (9th editions).
United Kingdom:
OUP Oxford.
MLA Style
E, ., Turnbull,, PHD, Joanne.
"Oxford Advanced Learner's Dictionary, 9th edition".
9th editions
United Kingdom:
OUP Oxford,
21 May 2015.
Text.