Cita APA

Lawson, D. (1996). Sexual dimorphism and reproduction of the pitviper Porthidium ophryomegas (Serpentes: Viperidae) in Guatemala.

Chicago Style Citation

Lawson, Dwight. Sexual Dimorphism and Reproduction of the Pitviper Porthidium Ophryomegas (Serpentes: Viperidae) in Guatemala. 1996.

Cita MLA

Lawson, Dwight. Sexual Dimorphism and Reproduction of the Pitviper Porthidium Ophryomegas (Serpentes: Viperidae) in Guatemala. 1996.

Atenció: Aquestes cites poden no estar 100% correctes.