APA
Pro, . (1944). Proteins and amino acids. The arlington chemical company, New York: .
Chicago
Pro, . 1944. Proteins and amino acids. The arlington chemical company, New York: .
Harvard
Pro, . (1944). Proteins and amino acids. The arlington chemical company, New York: .
MLA
Pro, . Proteins and amino acids. The arlington chemical company, New York: . 1944.