APA (7th ed.) Citation

Burton, S. A Problem of theory, or a theory of pressures. University of Johannesburg.

Chicago Style (17th ed.) Citation

Burton, Simon. A Problem of Theory, or a Theory of Pressures. University of Johannesburg.

MLA (9th ed.) Citation

Burton, Simon. A Problem of Theory, or a Theory of Pressures. University of Johannesburg.

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