APA (7th ed.) Citation

Dominion Observatory (Ottawa). (1956). Contributions from the Dominion Observatory.

Chicago Style (17th ed.) Citation

Dominion Observatory (Ottawa). Contributions from the Dominion Observatory. Ottawa, 1956.

MLA (9th ed.) Citation

Dominion Observatory (Ottawa). Contributions from the Dominion Observatory. 1956.

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