Cita APA (7a ed.)

Sykes, G., & Skinner, F. A. (1973). Actinomycetales: Characteristics and practical importance. Academic Press.

Cita Chicago Style (17a ed.)

Sykes, George, y F. A. Skinner. Actinomycetales: Characteristics and Practical Importance. London ; New York: Academic Press, 1973.

Cita MLA (9a ed.)

Sykes, George, y F. A. Skinner. Actinomycetales: Characteristics and Practical Importance. Academic Press, 1973.