APA (7th ed.) Citation

Warwick, D. (1977). Education at 16+ [sixteen plus]. National Book League.

Chicago Style (17th ed.) Citation

Warwick, David. Education at 16+ [sixteen Plus]. London: National Book League, 1977.

MLA (9th ed.) Citation

Warwick, David. Education at 16+ [sixteen Plus]. National Book League, 1977.

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