APA (7th ed.) Citation

Perry, N., & Perry, R. (1969). Australian opals in colour. Reed.

Chicago Style (17th ed.) Citation

Perry, Nance, and Ron Perry. Australian Opals in Colour. Terrey Hills, N.S.W.: Reed, 1969.

MLA (8th ed.) Citation

Perry, Nance, and Ron Perry. Australian Opals in Colour. Reed, 1969.

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