APA (7th ed.) Citation

Porsild, A. E., & National Museum of Canada. (1959). Botanical excursion to Jasper and Banff National Parks, Alberta: Alpine and subalpine flora.

Chicago Style (17th ed.) Citation

Porsild, A. E., and National Museum of Canada. Botanical Excursion to Jasper and Banff National Parks, Alberta: Alpine and Subalpine Flora. Ottawa, 1959.

MLA (8th ed.) Citation

Porsild, A. E., and National Museum of Canada. Botanical Excursion to Jasper and Banff National Parks, Alberta: Alpine and Subalpine Flora. 1959.