APA (7th ed.) Citation

Huxley, T. H. The Crayfish: An Introduction to the Study of Zoology.

Chicago Style (17th ed.) Citation

Huxley, Thomas Henry. The Crayfish: An Introduction to the Study of Zoology.

MLA (9th ed.) Citation

Huxley, Thomas Henry. The Crayfish: An Introduction to the Study of Zoology.

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