APA (7th ed.) Citation

Theobald, D. W. (1968). An introduction to the philosophy of science / by D.W. Theobald. Methuen.

Chicago Style (17th ed.) Citation

Theobald, D. W. An Introduction to the Philosophy of Science / by D.W. Theobald. Methuen, 1968.

MLA (9th ed.) Citation

Theobald, D. W. An Introduction to the Philosophy of Science / by D.W. Theobald. Methuen, 1968.

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