APA

Giles N. H., Torrey J., . (2012). The Macmillan Biology Series. London: Macmillan.

Chicago

Giles Norman H, Torrey John, . 2012. The Macmillan Biology Series. London: Macmillan.

Harvard

Giles N. H., Torrey J., . (2012). The Macmillan Biology Series. London: Macmillan.

MLA

Giles Norman H, Torrey John, . The Macmillan Biology Series. London: Macmillan. 2012.