APA (7th ed.) Citation

Woolley, L. (1930). Digging up the past. Penguin Books.

Chicago Style (17th ed.) Citation

Woolley, Leonard. Digging Up the Past. England: Penguin Books, 1930.

MLA (9th ed.) Citation

Woolley, Leonard. Digging Up the Past. Penguin Books, 1930.

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