APA (7th ed.) Citation

(1921). Heat production of honeybees in winter. [publisher not identified].

Chicago Style (17th ed.) Citation

Heat Production of Honeybees in Winter. [Washington]: [publisher not identified], 1921.

MLA (9th ed.) Citation

Heat Production of Honeybees in Winter. [publisher not identified], 1921.

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