APA (7th ed.) Citation

Beck, C. M. (1979). Ancient roads on the north coast of Peru. [publisher not identified].

Chicago Style (17th ed.) Citation

Beck, Colleen M. Ancient Roads on the North Coast of Peru. [Place of publication not identified]: [publisher not identified], 1979.

MLA (9th ed.) Citation

Beck, Colleen M. Ancient Roads on the North Coast of Peru. [publisher not identified], 1979.