Cita APA (7a ed.)

Kral, T. (1989). Portraits in words. English language programs division bureau of educational and cultural affairs.

Cita Chicago Style (17a ed.)

Kral, Thomas. Portraits in Words. Washington, Estados Unidos: English language programs division bureau of educational and cultural affairs, 1989.

Cita MLA (9a ed.)

Kral, Thomas. Portraits in Words. English language programs division bureau of educational and cultural affairs, 1989.