APA (7th ed.) Citation

Porsild, A. E. (1975). Materials for a flora of central Yukon territory.

Chicago Style (17th ed.) Citation

Porsild, A. E. Materials for a Flora of Central Yukon Territory. 1975.

MLA (9th ed.) Citation

Porsild, A. E. Materials for a Flora of Central Yukon Territory. 1975.

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