Cita APA (7a ed.)

Clay, R. C. (1979). World patterns (1. publ., reprinted.). Harrap.

Cita Chicago Style (17a ed.)

Clay, Roger C. World Patterns. 1. publ., reprinted. London: Harrap, 1979.

Cita MLA (9a ed.)

Clay, Roger C. World Patterns. 1. publ., reprinted. Harrap, 1979.