Ahlgren, C. E. (1968). Breeding for resistance to white pine blister rust. Quetico-Superior Wilderness Research Center.
Style de citation Chicago (17e éd.)Ahlgren, C. E. Breeding for Resistance to White Pine Blister Rust. Ely, Minn.: Quetico-Superior Wilderness Research Center, 1968.
Style de citation MLA (8e éd.)Ahlgren, C. E. Breeding for Resistance to White Pine Blister Rust. Quetico-Superior Wilderness Research Center, 1968.
Attention : ces citations peuvent ne pas être correctes à 100%.