APA (7th ed.) Citation

Tibbit, A. (1986). A guide to A-level economics. T. Nelson Pub.

Chicago Style (17th ed.) Citation

Tibbit, Andrew. A Guide to A-level Economics. Surrey, Eng: T. Nelson Pub, 1986.

MLA (9th ed.) Citation

Tibbit, Andrew. A Guide to A-level Economics. T. Nelson Pub, 1986.

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