APA (7th ed.) Citation

Perry, R., & Perry, N. (1982). Prospectors' guide to gemstones in Australia. Currawong Press.

Chicago Style (17th ed.) Citation

Perry, R., and N. Perry. Prospectors' Guide to Gemstones in Australia. N.S.W.: Currawong Press, 1982.

MLA (9th ed.) Citation

Perry, R., and N. Perry. Prospectors' Guide to Gemstones in Australia. Currawong Press, 1982.