APA (7th ed.) Citation

Stefanini, M., Merrien, L., & Marchand, P. A. Valerian and Yarrow: Two medicinal Plants as Crop Protectant Against Late Frost. Puspa Publishing House.

Chicago Style (17th ed.) Citation

Stefanini, M., L. Merrien, and P. A. Marchand. Valerian and Yarrow: Two Medicinal Plants as Crop Protectant Against Late Frost. Puspa Publishing House.

MLA (9th ed.) Citation

Stefanini, M., et al. Valerian and Yarrow: Two Medicinal Plants as Crop Protectant Against Late Frost. Puspa Publishing House.

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