APA (7th ed.) Citation

Hoyle, F. (1973). Nicolaus Copernicus: An essay on his life and work. Heinemann.

Chicago Style (17th ed.) Citation

Hoyle, Fred. Nicolaus Copernicus: An Essay on His Life and Work. London: Heinemann, 1973.

MLA (9th ed.) Citation

Hoyle, Fred. Nicolaus Copernicus: An Essay on His Life and Work. Heinemann, 1973.