APA (7th ed.) Citation

Millar, A. (1980). Annual rings of birch (Betula pubescens ssp tortuosa (Ledeb) (Nyman)), climate and defoliation: An exploratory study. Institute of Terrestrial Ecology.

Chicago Style (17th ed.) Citation

Millar, A. Annual Rings of Birch (Betula Pubescens Ssp Tortuosa (Ledeb) (Nyman)), Climate and Defoliation: An Exploratory Study. Institute of Terrestrial Ecology, 1980.

MLA (9th ed.) Citation

Millar, A. Annual Rings of Birch (Betula Pubescens Ssp Tortuosa (Ledeb) (Nyman)), Climate and Defoliation: An Exploratory Study. Institute of Terrestrial Ecology, 1980.

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