Cita APA (7a ed.)

Findlay, R. (1970). Trade and specialization (1st published.). Penguin Books.

Cita Chicago Style (17a ed.)

Findlay, Ronald. Trade and Specialization. 1st published. Harmondsworth [etc.]: Penguin Books, 1970.

Cita MLA (9a ed.)

Findlay, Ronald. Trade and Specialization. 1st published. Penguin Books, 1970.