Cita APA (7a ed.)

Burn, D. L., Epstein, B., & Johnson, H. G. (1972). Realities of free trade: Two industry studies (1st published.). George Allen & Unwin.

Cita Chicago Style (17a ed.)

Burn, Duncan Lyall, Barbara Epstein, y Harry Gordon Johnson. Realities of Free Trade: Two Industry Studies. 1st published. London: George Allen & Unwin, 1972.

Cita MLA (9a ed.)

Burn, Duncan Lyall, et al. Realities of Free Trade: Two Industry Studies. 1st published. George Allen & Unwin, 1972.