APA Style
Popper, Karl R.. (1989).
Conjectures and refutation : the growth of scientific knowledge (5th edition).
London:
Routledge.
Chicago Style
Popper, Karl R..
Conjectures and refutation : the growth of scientific knowledge.
5th edition
London:
Routledge,
1989.
Text.
MLA Style
Popper, Karl R..
Conjectures and refutation : the growth of scientific knowledge.
5th edition
London:
Routledge,
1989.
Text.
Turabian Style
Popper, Karl R..
Conjectures and refutation : the growth of scientific knowledge.
5th edition
London:
Routledge,
1989.
Print.