Economics

MLA

Samuelson, Paul A. and William. Samuelson. Economics. Eleventh edition / with the assistance in statistical updating of William Samuelson. New York : McGraw-Hill, [1980]

APA

Samuelson, P. & Samuelson, W. (1980). Economics. Eleventh edition / with the assistance in statistical updating of William Samuelson. New York : McGraw-Hill.

Chicago

Samuelson, Paul A. and William. Samuelson. Economics. Eleventh edition / with the assistance in statistical updating of William Samuelson. New York : McGraw-Hill, [1980]