Παραπομπή APA

Simpson,Lance L, & Simpson, L. L. (1989). Botulinum neurotoxin and tetanus toxin. Academic Press.

Παραπομπή Chicago Style

Simpson,Lance L, και Lance L. Simpson. Botulinum Neurotoxin and Tetanus Toxin. San Diego: Academic Press, 1989.

Παραπομπή MLA

Simpson,Lance L, και Lance L. Simpson. Botulinum Neurotoxin and Tetanus Toxin. Academic Press, 1989.