APA Citation

Rao, L. Cypripedium calceolus L. on stamps.

Chicago Style Citation

Rao, Lokeswara. Cypripedium Calceolus L. On Stamps.

MLA Citation

Rao, Lokeswara. Cypripedium Calceolus L. On Stamps.

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