APA (7th ed.) Citation

Ritchie, J. C. (1984). Past and present vegetation of the far northwest of Canada. Univ. of Toronto Pr.

Chicago Style (17th ed.) Citation

Ritchie, James C. Past and Present Vegetation of the Far Northwest of Canada. Toronto u.a: Univ. of Toronto Pr, 1984.

MLA (9th ed.) Citation

Ritchie, James C. Past and Present Vegetation of the Far Northwest of Canada. Univ. of Toronto Pr, 1984.

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