APA Style
POPPER, Karl R.. (1972).
Conjectures and Refutations : The Growth of Scientific Knowledge (Fourth Edition).
London:
Routledge & Kegan Paul.
Chicago Style
POPPER, Karl R..
Conjectures and Refutations : The Growth of Scientific Knowledge.
Fourth Edition
London:
Routledge & Kegan Paul,
1972.
Text.
MLA Style
POPPER, Karl R..
Conjectures and Refutations : The Growth of Scientific Knowledge.
Fourth Edition
London:
Routledge & Kegan Paul,
1972.
Text.
Turabian Style
POPPER, Karl R..
Conjectures and Refutations : The Growth of Scientific Knowledge.
Fourth Edition
London:
Routledge & Kegan Paul,
1972.
Print.