APA aipamena

Shmidt, O. ︠. (1962). Proiskhozhdenie Zemli i planet.

Chicago Style aipamena

Shmidt, Otto ︠I︡Ulʹevich. Proiskhozhdenie Zemli I Planet. Moskva, 1962.

MLA aipamena

Shmidt, Otto ︠I︡Ulʹevich. Proiskhozhdenie Zemli I Planet. 1962.