APA (7th ed.) Citation

Bechtel, H., Cribb, P., & Launert, E. (1981). The manual of cultivated orchid species. Blandford.

Chicago Style (17th ed.) Citation

Bechtel, Helmut, Phillip Cribb, and Edmund Launert. The Manual of Cultivated Orchid Species. Poole: Blandford, 1981.

MLA (9th ed.) Citation

Bechtel, Helmut, et al. The Manual of Cultivated Orchid Species. Blandford, 1981.