Cita APA (7a ed.)

Slepov, B. I. (1991). Petr Fedorovich Papkovich, 1887-1946. "Nauka," Leningradskoe otd-nie.

Cita Chicago Style (17a ed.)

Slepov, B. I. Petr Fedorovich Papkovich, 1887-1946. Leningrad: "Nauka," Leningradskoe otd-nie, 1991.

Cita MLA (8a ed.)

Slepov, B. I. Petr Fedorovich Papkovich, 1887-1946. "Nauka," Leningradskoe otd-nie, 1991.