APA (7th ed.) Citation

Kiernan, V. G. (1972). The hords of human kind. Penguin Books.

Chicago Style (17th ed.) Citation

Kiernan, V. G. The Hords of Human Kind. England: Penguin Books, 1972.

MLA (9th ed.) Citation

Kiernan, V. G. The Hords of Human Kind. Penguin Books, 1972.

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