Cita APA (7a ed.)

Watcyn-Jones, P., & Nordqvist, S. (1996). Test your vocabulary ([New ed.].). Penguin Books.

Cita Chicago Style (17a ed.)

Watcyn-Jones, Peter, y Sven Nordqvist. Test Your Vocabulary. [New ed.]. London: Penguin Books, 1996.

Cita MLA (9a ed.)

Watcyn-Jones, Peter, y Sven Nordqvist. Test Your Vocabulary. [New ed.]. Penguin Books, 1996.