APA aipamena

Sledge, W. A. (1981). The lypteridaceae of Ceylon. British Museum (Natural History).

Chicago Style aipamena

Sledge, W. A. The Lypteridaceae of Ceylon. London: British Museum (Natural History), 1981.

MLA aipamena

Sledge, W. A. The Lypteridaceae of Ceylon. British Museum (Natural History), 1981.