APA (7th ed.) Citation

Freeman, C. (1974). The economics of industrial innovation / (by) Christopher Freeman. Penguin.

Chicago Style (17th ed.) Citation

Freeman, Christopher. The Economics of Industrial Innovation / (by) Christopher Freeman. Harmondsworth (etc.): Penguin, 1974.

MLA (9th ed.) Citation

Freeman, Christopher. The Economics of Industrial Innovation / (by) Christopher Freeman. Penguin, 1974.

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