APA (7th ed.) Citation

Perminov, V. G. (1999). The difficult road to Mars: A brief history of Mars exploration in the Soviet Union. NASA History Division, Office of Policy and Plans : Office of Space Science.

Chicago Style (17th ed.) Citation

Perminov, V. G. The Difficult Road to Mars: A Brief History of Mars Exploration in the Soviet Union. Washington, DC: NASA History Division, Office of Policy and Plans : Office of Space Science, 1999.

MLA (9th ed.) Citation

Perminov, V. G. The Difficult Road to Mars: A Brief History of Mars Exploration in the Soviet Union. NASA History Division, Office of Policy and Plans : Office of Space Science, 1999.