APA Style
Riley, Peter D.. (2011).
Checkpoint Science 1: Student's book (2nd ed.).
London:
Hodder Education.
Chicago Style
Riley, Peter D..
Checkpoint Science 1: Student's book.
2nd ed.
London:
Hodder Education,
2011.
Text.
MLA Style
Riley, Peter D..
Checkpoint Science 1: Student's book.
2nd ed.
London:
Hodder Education,
2011.
Text.
Turabian Style
Riley, Peter D..
Checkpoint Science 1: Student's book.
2nd ed.
London:
Hodder Education,
2011.
Print.