APA (7th ed.) Citation

Ashby, M. (1963). Introduction to plant ecology. Macmillan; St. Martin's Press.

Chicago Style (17th ed.) Citation

Ashby, Maurice. Introduction to Plant Ecology. London : New York: Macmillan; St. Martin's Press, 1963.

MLA (9th ed.) Citation

Ashby, Maurice. Introduction to Plant Ecology. Macmillan; St. Martin's Press, 1963.