APA Citation

Ball, J. S., Van de Ruit, P., Browning, J. 1., & Ashton, P. S. 1. (1978). Southern African epiphytic orchids. Johannesburg: Conservation Press (PTY) Ltd..

Chicago Style Citation

Ball, John S., Patricia Van de Ruit, Jane 1932- Browning, and Peter S. 1934- Ashton. Southern African Epiphytic Orchids. Johannesburg: Conservation Press (PTY) Ltd., 1978.

MLA Citation

Ball, John S., Patricia Van de Ruit, Jane 1932- Browning, and Peter S. 1934- Ashton. Southern African Epiphytic Orchids. Johannesburg: Conservation Press (PTY) Ltd., 1978.

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