Cita APA

Okladnikov, A. P. (1977). Petroglify Verkhneĭ Leny. Nauka, Leningradskoe otd-nie.

Citación estilo Chicago

Okladnikov, A. P. Petroglify Verkhneĭ Leny. Leningrad: Nauka, Leningradskoe otd-nie, 1977.

Cita MLA

Okladnikov, A. P. Petroglify Verkhneĭ Leny. Nauka, Leningradskoe otd-nie, 1977.

Warning: These citations may not always be 100% accurate.