APA (7th ed.) Citation

Powell, J. M., & Powell, J. P. (1991). Coastal river environments, a select bibliography. Hawkesbury River Enterprises.

Chicago Style (17th ed.) Citation

Powell, J. M., and John P. Powell. Coastal River Environments, a Select Bibliography. Sydney: Hawkesbury River Enterprises, 1991.

MLA (8th ed.) Citation

Powell, J. M., and John P. Powell. Coastal River Environments, a Select Bibliography. Hawkesbury River Enterprises, 1991.