Cita APA (7a ed.)

Swales, J. (1980). Writing scientific english: A textbook of english as a foreign language for students of physical engineering sciences. [S.n.].

Cita Chicago Style (17a ed.)

Swales, John. Writing Scientific English: A Textbook of English as a Foreign Language for Students of Physical Engineering Sciences. London: [S.n.], 1980.

Cita MLA (9a ed.)

Swales, John. Writing Scientific English: A Textbook of English as a Foreign Language for Students of Physical Engineering Sciences. [S.n.], 1980.