APA (7th ed.) Citation

NelsonlhRichard R. The sources of economic growth.

Chicago Style (17th ed.) Citation

NelsonlhRichard R. The Sources of Economic Growth. Cambridge massachusettslbHarvard university presslc1996.

MLA (9th ed.) Citation

NelsonlhRichard R. The Sources of Economic Growth.

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