APA (7th ed.) Citation

CROSS, A. (1964). Introduction to practical infra-red spectroscopy. Butter.

Chicago Style (17th ed.) Citation

CROSS, A.D. Introduction to Practical Infra-red Spectroscopy. London: Butter, 1964.

MLA (9th ed.) Citation

CROSS, A.D. Introduction to Practical Infra-red Spectroscopy. Butter, 1964.