APA (7th ed.) Citation

Brian & Rittershausen, S. (2003). Orchids: A care manual. Octopus Publishing.

Chicago Style (17th ed.) Citation

Brian and Sara Rittershausen. Orchids: A Care Manual. London: Octopus Publishing, 2003.

MLA (9th ed.) Citation

Brian and Sara Rittershausen. Orchids: A Care Manual. Octopus Publishing, 2003.