APA (7th ed.) Citation

Heydorn, A. E. F., & Tinley, K. L. (1980). Estuaries of the Cape. National Research Institute for Oceanology.

Chicago Style (17th ed.) Citation

Heydorn, A. E. F., and K. L. Tinley. Estuaries of the Cape. Stellenbosch, South Africa: National Research Institute for Oceanology, 1980.

MLA (8th ed.) Citation

Heydorn, A. E. F., and K. L. Tinley. Estuaries of the Cape. National Research Institute for Oceanology, 1980.