APA (7th ed.) Citation

Dadaev, A. N. (1978). Pulkovo Observatory: An essay on its history and scientific activity. National Aeronautics and Space Administration.

Chicago Style (17th ed.) Citation

Dadaev, Aleksandr N. Pulkovo Observatory: An Essay on Its History and Scientific Activity. Washington, DC: National Aeronautics and Space Administration, 1978.

MLA (9th ed.) Citation

Dadaev, Aleksandr N. Pulkovo Observatory: An Essay on Its History and Scientific Activity. National Aeronautics and Space Administration, 1978.