APA Citation

Gregory, R. (1957). Introductory biology: With suggestions for practical work. London: Macmillan.

Chicago Style Citation

Gregory, Richard. Introductory Biology: With Suggestions for Practical Work. London: Macmillan, 1957.

MLA Citation

Gregory, Richard. Introductory Biology: With Suggestions for Practical Work. London: Macmillan, 1957.

Warning: These citations may not always be 100% accurate.