APA Citation

Rittershausen, B., & Rittershausen, W. (1971). Popular orchids. London: The Garden Book Club.

Chicago Style Citation

Rittershausen, Brian, and Wilma Rittershausen. Popular Orchids. London: The Garden Book Club, 1971.

MLA Citation

Rittershausen, Brian, and Wilma Rittershausen. Popular Orchids. London: The Garden Book Club, 1971.

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