APA استشهاد

Faber,Malte, & Proops,John L R. (1993). Evolution, time, production and the environment (2.). Springer - Verlag.

استشهاد بنمط شيكاغو

Faber,Malte, و Proops,John L R. Evolution, Time, Production and the Environment. 2. Berlin Heidelberg: Springer - Verlag, 1993.

MLA استشهاد

Faber,Malte, و Proops,John L R. Evolution, Time, Production and the Environment. 2. Springer - Verlag, 1993.