APA (7th ed.) Citation

Lockard, R. G., Vamathevan, P., & Thamboo, S. (1959). Mineral deficiency symptons of cacao grown in sand-culture. Department of Agriculture.

Chicago Style (17th ed.) Citation

Lockard, R. G., P. Vamathevan, and S. Thamboo. Mineral Deficiency Symptons of Cacao Grown in Sand-culture. Kuala Lumpur: Department of Agriculture, 1959.

MLA (9th ed.) Citation

Lockard, R. G., et al. Mineral Deficiency Symptons of Cacao Grown in Sand-culture. Department of Agriculture, 1959.