APA (7th ed.) Citation

Ruhland, W. (1956). Encyclopedia of plant physiology. Springer.

Chicago Style (17th ed.) Citation

Ruhland, W. Encyclopedia of Plant Physiology. Berlin [etc.]: Springer, 1956.

MLA (9th ed.) Citation

Ruhland, W. Encyclopedia of Plant Physiology. Springer, 1956.

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