APA stil citiranja
Margalef, R. (1997). Our biosphere: Our biosphere. Oldendorf: Ecology Institute.
Chicago stil citiranjaMargalef, Ramon. Our biosphere: Our biosphere. Oldendorf: Ecology Institute, 1997.
MLA stil citiranjaMargalef, Ramon. Our biosphere: Our biosphere. Oldendorf: Ecology Institute, 1997.
Napomena: Ova citiranost nije uvijek 100% točna.