APA (7th ed.) Citation

Knauth, P. (1977). Die Wälder Kanadas (2. German print.). Time-Life.

Chicago Style (17th ed.) Citation

Knauth, Percy. Die Wälder Kanadas. 2. German print. Amsterdam: Time-Life, 1977.

MLA (9th ed.) Citation

Knauth, Percy. Die Wälder Kanadas. 2. German print. Time-Life, 1977.

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