APA

International Congress of Applied Linguistics (2nd : 1969 : Cambridge E., Pimsleur P. & Quinn T. (1971). The psychology of second language learning: papers from the Second International Congress of Applied Linguistics, Cambridge, 8-12 September 1969. London: Cambridge University Press.

Chicago

International Congress of Applied Linguistics (2nd : 1969 : Cambridge England), Pimsleur Paul and Quinn Terence. 1971. The psychology of second language learning: papers from the Second International Congress of Applied Linguistics, Cambridge, 8-12 September 1969. London: Cambridge University Press.

Harvard

International Congress of Applied Linguistics (2nd : 1969 : Cambridge E., Pimsleur P. and Quinn T. (1971). The psychology of second language learning: papers from the Second International Congress of Applied Linguistics, Cambridge, 8-12 September 1969. London: Cambridge University Press.

MLA

International Congress of Applied Linguistics (2nd : 1969 : Cambridge England), Pimsleur Paul and Quinn Terence. The psychology of second language learning: papers from the Second International Congress of Applied Linguistics, Cambridge, 8-12 September 1969. London: Cambridge University Press. 1971.