Gaya APA

Plant Biology . ([s.a.]). [s.l.]: [s.n.].

Gaya Chicago

Plant Biology . 1. [s.l.]: [s.n.], [s.a.]. Text.

Gaya MLA

Plant Biology . 1. [s.l.]: [s.n.], [s.a.]. Text.

Gaya Turabian

Plant Biology . [s.l.]: [s.n.], [s.a.]. Print.