APA (7th ed.) Citation

(1940). Notes on some pedunculate barnacles from the North Pacific. [s.n.].

Chicago Style (17th ed.) Citation

Notes on Some Pedunculate Barnacles from the North Pacific. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

Notes on Some Pedunculate Barnacles from the North Pacific. [s.n.], 1940.