APA (7th ed.) Citation

Simpson, A. G. W. (1983). The colourful world of African violets ([2. ed.].). Rigby Publ.

Chicago Style (17th ed.) Citation

Simpson, A. G. W. The Colourful World of African Violets. [2. ed.]. Adelaide [u.a.]: Rigby Publ, 1983.

MLA (9th ed.) Citation

Simpson, A. G. W. The Colourful World of African Violets. [2. ed.]. Rigby Publ, 1983.