APA Style
Eigen, Lewis D., Siegel, Jonathan. (1989).
The manager's book of quotations .
United States of America:
Amacom.
Chicago Style
Eigen, Lewis D., Siegel, Jonathan.
The manager's book of quotations.
United States of America:
Amacom,
1989.
Text.
MLA Style
Eigen, Lewis D., Siegel, Jonathan.
The manager's book of quotations.
United States of America:
Amacom,
1989.
Text.
Turabian Style
Eigen, Lewis D., Siegel, Jonathan.
The manager's book of quotations.
United States of America:
Amacom,
1989.
Print.