Excursions in the eastern townships of Quebec and the eastern part of Ontario :
excursions A2, A5, and A9 /
issued by the Geological Survey.

APA Citation

Geological Survey of Canada. (1913). Excursions in the eastern townships of Quebec and the eastern part of Ontario: excursions A2, A5, and A9. Ottawa: Govt. Print. Bureau.

MLA Citation

Geological Survey of Canada. Excursions In the Eastern Townships of Quebec And the Eastern Part of Ontario: Excursions A2, A5, And A9. Ottawa: Govt. Print. Bureau, 1913.

Warning: These citations may not always be complete (especially for serials).