Homework  1

APA style
   
        Balasubramani,  Murugan,  Ravikumar,  and Venkatasubramanian (2010) said that
Tribulus terrestris L. is claimed  believed to have  possess an aphrodisiac property.

        Balasubramani, S.P., Murugan, R.,  Ravikumar, K., & Venkatasubramanian, P. (2010). Development of ITS sequence based molecular marker to distinguish, Tribulus terrestris L. (Zygophyllaceae)  from its aduterants. Fitoterapia, 81, 503-508.
       
       
         Balasubramani,  Murugan,  Ravikumar,  and Venkatasubramanian (2010) explain that nuclear ribosomal RNA genes and ITS (internal transcribe spacer) sequences have been shown to be a valuable source of evidence to resolve phylogenetic relationships in many angiosperm groups.

         Balasubramani,  Murugan,  Ravikumar,  and Venkatasubramanian (2010) explain that  angiosperm groups have nuclear ribosomal RNA genes and ITS (internal transcribe spacer) sequences have been shown to be a suitable source of evidence to resolve phylogenetic relationships
          Balasubramani,  Murugan,  Ravikumar,  and Venkatasubramanian (2010) explain that  angiosperm groups have nuclear ribosomal RNA genes and ITS (internal transcribe spacer) sequences  which are believed to be a suitable source of evidence to determine phylogenetic relationships.