APA (7th ed.) Citation

Walls, I. G. (1975). Making the most of your greenhouse. Ward Lock.

Chicago Style (17th ed.) Citation

Walls, Ian Gascoigne. Making the Most of Your Greenhouse. London: Ward Lock, 1975.

MLA (9th ed.) Citation

Walls, Ian Gascoigne. Making the Most of Your Greenhouse. Ward Lock, 1975.