APA (7th ed.) Citation

Malan, F. S., & Toon, R. E. (1980). Natural defects in the timber of South African-grown Pinus and Eucalyptus species. Department of Forestry.

Chicago Style (17th ed.) Citation

Malan, F. S., and R. E. Toon. Natural Defects in the Timber of South African-grown Pinus and Eucalyptus Species. Pretoria: Department of Forestry, 1980.

MLA (9th ed.) Citation

Malan, F. S., and R. E. Toon. Natural Defects in the Timber of South African-grown Pinus and Eucalyptus Species. Department of Forestry, 1980.