APA

Rollins R. C., Taylor G. S., . (2012). International Series of Monographs on pure an applied Biology. Division : Botany. Oxford: Pergamon Press; Macmillan.

Chicago

Rollins R C, Taylor G Sir, . 2012. International Series of Monographs on pure an applied Biology. Division : Botany. Oxford: Pergamon Press; Macmillan.

Harvard

Rollins R. C., Taylor G. S., . (2012). International Series of Monographs on pure an applied Biology. Division : Botany. Oxford: Pergamon Press; Macmillan.

MLA

Rollins R C, Taylor G Sir, . International Series of Monographs on pure an applied Biology. Division : Botany. Oxford: Pergamon Press; Macmillan. 2012.