APA (7th ed.) Citation

Heath, R. E. (1969). Rock plants for small gardens (Second edition revised and enlarged.). Collingridge Books.

Chicago Style (17th ed.) Citation

Heath, Royton E. Rock Plants for Small Gardens. Second edition revised and enlarged. London ; New York: Collingridge Books, 1969.

MLA (9th ed.) Citation

Heath, Royton E. Rock Plants for Small Gardens. Second edition revised and enlarged. Collingridge Books, 1969.