APA (7th ed.) Citation

Huxley, J. S. (1937). Essays in popular science. Penguin.

Chicago Style (17th ed.) Citation

Huxley, Julian Sorell. Essays in Popular Science. London: Penguin, 1937.

MLA (9th ed.) Citation

Huxley, Julian Sorell. Essays in Popular Science. Penguin, 1937.

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