Cita APA (7a ed.)

(1988). Nature conservation in the socialist countries of East Europe (2d. ed.). IUCN.

Cita Chicago Style (17a ed.)

Nature Conservation in the Socialist Countries of East Europe. 2d. ed. Praha: IUCN, 1988.

Cita MLA (9a ed.)

Nature Conservation in the Socialist Countries of East Europe. 2d. ed. IUCN, 1988.

Precaución: Estas citas no son 100% exactas.