Cita APA (7a ed.)

Szafer, W., & Diniejko, A. (1973). Protection of man's natural environment: A collective work. Polish Scientific Publishers.

Cita Chicago Style (17a ed.)

Szafer, Władysław, y Andrzej Diniejko. Protection of Man's Natural Environment: A Collective Work. Warszawa: Polish Scientific Publishers, 1973.

Cita MLA (9a ed.)

Szafer, Władysław, y Andrzej Diniejko. Protection of Man's Natural Environment: A Collective Work. Polish Scientific Publishers, 1973.