APA (7th ed.) Citation

(1990). The Universe in the Classroom. A Newsletter on Teaching Astronomy. Issues 14-16, 1990.

Chicago Style (17th ed.) Citation

The Universe in the Classroom. A Newsletter on Teaching Astronomy. Issues 14-16, 1990. 1990.

MLA (9th ed.) Citation

The Universe in the Classroom. A Newsletter on Teaching Astronomy. Issues 14-16, 1990. 1990.

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