APA (7th ed.) Citation

Hoyle, F., & Narlikar, J. V. (1980). The physics-astronomy frontier. Freeman.

Chicago Style (17th ed.) Citation

Hoyle, Fred, and Jayant Vishnu Narlikar. The Physics-astronomy Frontier. San Francisco, Calif: Freeman, 1980.

MLA (9th ed.) Citation

Hoyle, Fred, and Jayant Vishnu Narlikar. The Physics-astronomy Frontier. Freeman, 1980.