APA (7th ed.) Citation

Cleary, J. (1976). The green helmet. Severn House : [Distributed by Hutchinson].

Chicago Style (17th ed.) Citation

Cleary, Jon. The Green Helmet. London: Severn House : [Distributed by Hutchinson], 1976.

MLA (8th ed.) Citation

Cleary, Jon. The Green Helmet. Severn House : [Distributed by Hutchinson], 1976.

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