Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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