APA (7th ed.) Citation

ScienceDirect (Online service), Mertz, E., & Parmentier, R. J. (1985). Semiotic mediation: Sociocultural and psychological perspectives. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Elizabeth Mertz, and Richard J. Parmentier. Semiotic Mediation: Sociocultural and Psychological Perspectives. Orlando: Academic Press, 1985.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Semiotic Mediation: Sociocultural and Psychological Perspectives. Academic Press, 1985.