APA Style
Johnson, Steven. ().
How we got to now: Six innovations that made the modern world .
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Chicago Style
Johnson, Steven.
How we got to now: Six innovations that made the modern world.
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Text.
MLA Style
Johnson, Steven.
How we got to now: Six innovations that made the modern world.
:
,
.
Text.
Turabian Style
Johnson, Steven.
How we got to now: Six innovations that made the modern world.
:
,
.
Print.