APA (7th ed.) Citation

Johns, P. (1992). Practical rock gardening. The Crowood Press.

Chicago Style (17th ed.) Citation

Johns, Patrick. Practical Rock Gardening. Wiltshire: The Crowood Press, 1992.

MLA (8th ed.) Citation

Johns, Patrick. Practical Rock Gardening. The Crowood Press, 1992.

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