APA Style

Lipsey, Richard. (N/A). Economics (9th ed). : N/A.

Chicago Style

Lipsey, Richard. Economics. 9th ed : N/A, N/A. .

MLA Style

Lipsey, Richard. Economics. 9th ed : N/A, N/A. .

Turabian Style

Lipsey, Richard. Economics. 9th ed : N/A, N/A. .