APA استشهاد

Berlin:Springer Verlag. (1969). Contribution to Miner2alogy & Petrology,vol.24(1-4).

استشهاد بنمط شيكاغو

Berlin:Springer Verlag. Contribution to Miner2alogy & Petrology,vol.24(1-4). Berlin:Springer Verlag, 1969.

MLA استشهاد

Berlin:Springer Verlag. Contribution to Miner2alogy & Petrology,vol.24(1-4). 1969.