APA (7th ed.) Citation

Schweingruber, F. H. (1988). Tree rings. Kluwer.

Chicago Style (17th ed.) Citation

Schweingruber, Fritz Hans. Tree Rings. Kluwer, 1988.

MLA (9th ed.) Citation

Schweingruber, Fritz Hans. Tree Rings. Kluwer, 1988.

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