APA Style
Langer, William L. (ed). (1972).
An Encyclopedia of World History: Ancient, Medieval and Modern (Fifth edition/revised).
Boston:
Houghton Mifflin Co..
Chicago Style
Langer, William L. (ed).
An Encyclopedia of World History: Ancient, Medieval and Modern.
Fifth edition/revised
Boston:
Houghton Mifflin Co.,
1972.
Text.
MLA Style
Langer, William L. (ed).
An Encyclopedia of World History: Ancient, Medieval and Modern.
Fifth edition/revised
Boston:
Houghton Mifflin Co.,
1972.
Text.
Turabian Style
Langer, William L. (ed).
An Encyclopedia of World History: Ancient, Medieval and Modern.
Fifth edition/revised
Boston:
Houghton Mifflin Co.,
1972.
Print.