Sovetskai͡a Arktika.

MLA

Gakkel', I͡Akov I͡Akovlevich, Leonid Sergeevich Govorukha and Leningrad. Sovetskai͡a Arktika. [Place of publication not identified] : [publisher not identified], 1970.

APA

Gakkel', I., Govorukha, L. & Leningrad. (1970). Sovetskai͡a Arktika. [Place of publication not identified] : [publisher not identified].

Chicago

Gakkel', I͡Akov I͡Akovlevich, Leonid Sergeevich Govorukha and Leningrad. Sovetskai͡a Arktika. Edited by I͡Akov I͡Akovlevich Gakkel' and Leonid Sergeevich Govorukha. [Place of publication not identified] : [publisher not identified], 1970.