APA (7th ed.) Citation

Keller, R. (1943). New aspects of cheap food. Research Books Limited, in association with William Heinemann (Medical Books) Limited.

Chicago Style (17th ed.) Citation

Keller, Rudolph. New Aspects of Cheap Food. London: Research Books Limited, in association with William Heinemann (Medical Books) Limited, 1943.

MLA (9th ed.) Citation

Keller, Rudolph. New Aspects of Cheap Food. Research Books Limited, in association with William Heinemann (Medical Books) Limited, 1943.