Cita APA (7a ed.)

Heyns, J., Chaves, E., & Swart, A. A Sem study of Xiphidorus balcarceanus Cháves & coomans.

Cita Chicago Style (17a ed.)

Heyns, J., E.J Chaves, y A. Swart. A Sem Study of Xiphidorus Balcarceanus Cháves & Coomans.

Cita MLA (8a ed.)

Heyns, J., et al. A Sem Study of Xiphidorus Balcarceanus Cháves & Coomans.