APA (7th ed.) Citation

Penfield, T. (1966). Dig here! ([Rev. and enl. ed.].). Naylor.

Chicago Style (17th ed.) Citation

Penfield, Thomas. Dig Here! [Rev. and enl. ed.]. San Antonio: Naylor, 1966.

MLA (9th ed.) Citation

Penfield, Thomas. Dig Here! [Rev. and enl. ed.]. Naylor, 1966.