Cita APA (7th ed.)

Leonov, A., & Lebedev, V. (1971). Space and time perception by the Cosmonaut. Mir.

Cita Chicago (17th ed.)

Leonov, Alexei, i Vladimir Lebedev. Space and Time Perception by the Cosmonaut. Moscow: Mir, 1971.

Cita MLA (9th ed.)

Leonov, Alexei, i Vladimir Lebedev. Space and Time Perception by the Cosmonaut. Mir, 1971.