APA (7th ed.) Citation

Beer, S. (1979). The heart of enterprise / (by) Stafford Beer. Wiley.

Chicago Style (17th ed.) Citation

Beer, Stafford. The Heart of Enterprise / (by) Stafford Beer. Chichester (etc.): Wiley, 1979.

MLA (9th ed.) Citation

Beer, Stafford. The Heart of Enterprise / (by) Stafford Beer. Wiley, 1979.

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