APA (7th ed.) Citation

Canadian Forestry Service & Hedlin, A. F. (1980). Cone and seed insects of North American conifers. Canadian Forestry Service.

Chicago Style (17th ed.) Citation

Canadian Forestry Service and Alan F. Hedlin. Cone and Seed Insects of North American Conifers. [Ottawa]: Canadian Forestry Service, 1980.

MLA (9th ed.) Citation

Canadian Forestry Service and Alan F. Hedlin. Cone and Seed Insects of North American Conifers. Canadian Forestry Service, 1980.

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