APA (7th ed.) Citation

Simkin, C. G. (1968). Economics at large: An advanced textbook on macro-economics. Weidenfeld and Nicolson.

Chicago Style (17th ed.) Citation

Simkin, C. G. Economics at Large: An Advanced Textbook on Macro-economics. Londres: Weidenfeld and Nicolson, 1968.

MLA (9th ed.) Citation

Simkin, C. G. Economics at Large: An Advanced Textbook on Macro-economics. Weidenfeld and Nicolson, 1968.