APA (7th ed.) Citation

Chalk, L. (1930). The formation of spring and summer wood in ash and Douglas fir. Clarendon Press.

Chicago Style (17th ed.) Citation

Chalk, Laurence. The Formation of Spring and Summer Wood in Ash and Douglas Fir. Oxford: Clarendon Press, 1930.

MLA (9th ed.) Citation

Chalk, Laurence. The Formation of Spring and Summer Wood in Ash and Douglas Fir. Clarendon Press, 1930.