APA (7th ed.) Citation

Strong, R., & Oman, J. T. (1991). A Celebration of gardens. HarperCollins.

Chicago Style (17th ed.) Citation

Strong, Roy, and Julia Trevelyan Oman. A Celebration of Gardens. London: HarperCollins, 1991.

MLA (8th ed.) Citation

Strong, Roy, and Julia Trevelyan Oman. A Celebration of Gardens. HarperCollins, 1991.

Warning: These citations may not always be 100% accurate.