Citazione Stile APA (7a Edizione)

Burrell, E. R., Hancock, J. C., & Elkins, B. P. (1972). Denmark, Sweden, Norway and West Germany (1. publ.). Methuen.

Citazione stile Chigago Style (17a edizione)

Burrell, E. R., J. C. Hancock, e Brian P. Elkins. Denmark, Sweden, Norway and West Germany. 1. publ. London [u.a.]: Methuen, 1972.

Citatione MLA (9a ed.)

Burrell, E. R., et al. Denmark, Sweden, Norway and West Germany. 1. publ. Methuen, 1972.