APA (7th ed.) Citation

Hammond, J. L., & Hammond, B. (1934). The bleak age / by J.L. and Barbara Hammond. Penguin.

Chicago Style (17th ed.) Citation

Hammond, J. L., and B. Hammond. The Bleak Age / by J.L. and Barbara Hammond. West Drayton, Middx.: Penguin, 1934.

MLA (9th ed.) Citation

Hammond, J. L., and B. Hammond. The Bleak Age / by J.L. and Barbara Hammond. Penguin, 1934.

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