APA (7th ed.) Citation

Stern, J. P., & Stern, E. S. (1971). Petrochemicals today (1. publ.). Arnold.

Chicago Style (17th ed.) Citation

Stern, Joy P., and Edward S. Stern. Petrochemicals Today. 1. publ. London: Arnold, 1971.

MLA (9th ed.) Citation

Stern, Joy P., and Edward S. Stern. Petrochemicals Today. 1. publ. Arnold, 1971.

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