APA Style
Waddell, John Alexander Low. (1917).
Engineering Economics .
s.l.:
s.n..
Chicago Style
Waddell, John Alexander Low.
Engineering Economics.
s.l.:
s.n.,
1917.
Text.
MLA Style
Waddell, John Alexander Low.
Engineering Economics.
s.l.:
s.n.,
1917.
Text.
Turabian Style
Waddell, John Alexander Low.
Engineering Economics.
s.l.:
s.n.,
1917.
Print.