APA (7th ed.) Citation

Ashby, M. (1969). Introduction to plant ecology (2. ed., repr.). Macmillan.

Chicago Style (17th ed.) Citation

Ashby, Maurice. Introduction to Plant Ecology. 2. ed., repr. London u.a: Macmillan, 1969.

MLA (9th ed.) Citation

Ashby, Maurice. Introduction to Plant Ecology. 2. ed., repr. Macmillan, 1969.