APA (7th ed.) Citation

Spooner, B. (1989). Grey eminence : a guide to being a head teacher / by Bob Spooner: A guide to being a head teacher. Gerbil.

Chicago Style (17th ed.) Citation

Spooner, Bob. Grey Eminence : A Guide to Being a Head Teacher / by Bob Spooner: A Guide to Being a Head Teacher. Leeds: Gerbil, 1989.

MLA (9th ed.) Citation

Spooner, Bob. Grey Eminence : A Guide to Being a Head Teacher / by Bob Spooner: A Guide to Being a Head Teacher. Gerbil, 1989.

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