APA (7th ed.) Citation

Robbins, W. J. (1918). Direct assimilation of organic Carbon by Ceratodon Purpureus ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Robbins, William J. Direct Assimilation of Organic Carbon by Ceratodon Purpureus. [Sonderdr.]. 1918.

MLA (9th ed.) Citation

Robbins, William J. Direct Assimilation of Organic Carbon by Ceratodon Purpureus. [Sonderdr.]. 1918.

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