Cita APA (7a ed.)

Botting, D. (1980). Reservas naturales de Europa (2nd Spanish printing.). Time-Life.

Cita Chicago Style (17a ed.)

Botting, Douglas. Reservas Naturales De Europa. 2nd Spanish printing. Amsterdam: Time-Life, 1980.

Cita MLA (9a ed.)

Botting, Douglas. Reservas Naturales De Europa. 2nd Spanish printing. Time-Life, 1980.