APA (7th ed.) Citation

Martin, L. W. (1980). Principles of economics: Macroeconomics. Grid.

Chicago Style (17th ed.) Citation

Martin, Leonard W. Principles of Economics: Macroeconomics. Columbus, Ohio: Grid, 1980.

MLA (9th ed.) Citation

Martin, Leonard W. Principles of Economics: Macroeconomics. Grid, 1980.

Warning: These citations may not always be 100% accurate.