Cita APA (7a ed.)

Tiffen, B. (1969). A Language in common; a guide to english language teaching in schools and colleges (1st edition.). Longmans Green.

Cita Chicago Style (17a ed.)

Tiffen, Brian. A Language in Common; a Guide to English Language Teaching in Schools and Colleges. 1st edition. London: Longmans Green, 1969.

Cita MLA (8a ed.)

Tiffen, Brian. A Language in Common; a Guide to English Language Teaching in Schools and Colleges. 1st edition. Longmans Green, 1969.