Cita APA (7a ed.)

Emery, F. E. (1977). Futures we are in. Martinus Nijhoff.

Cita Chicago Style (17a ed.)

Emery, F. E. Futures We Are in. Leiden: Martinus Nijhoff, 1977.

Cita MLA (9a ed.)

Emery, F. E. Futures We Are in. Martinus Nijhoff, 1977.