APA (7th ed.) Citation

Roberts, M. B. V. (1986). Biology: A functional approach (4th ed.). Nelson.

Chicago Style (17th ed.) Citation

Roberts, M. B. V. Biology: A Functional Approach. 4th ed. London: Nelson, 1986.

MLA (8th ed.) Citation

Roberts, M. B. V. Biology: A Functional Approach. 4th ed. Nelson, 1986.