APA (7th ed.) Citation

Heertje, A. (1977). Economics and technical change. Weidenfeld & Nicolson.

Chicago Style (17th ed.) Citation

Heertje, Arnold. Economics and Technical Change. London: Weidenfeld & Nicolson, 1977.

MLA (9th ed.) Citation

Heertje, Arnold. Economics and Technical Change. Weidenfeld & Nicolson, 1977.