Cita APA (7a ed.)

Marx, E., & Firth, C. B. (1964). Things made with threads (2. impression.). Ginn.

Cita Chicago Style (17a ed.)

Marx, Enid, y Catherine B. Firth. Things Made with Threads. 2. impression. London: Ginn, 1964.

Cita MLA (9a ed.)

Marx, Enid, y Catherine B. Firth. Things Made with Threads. 2. impression. Ginn, 1964.