APA (7th ed.) Citation

(1990). Astronomical phenomena for the year 1993. Дело.

Chicago Style (17th ed.) Citation

Astronomical Phenomena for the Year 1993. Washington: Дело, 1990.

MLA (8th ed.) Citation

Astronomical Phenomena for the Year 1993. Дело, 1990.

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