APA Style

Clark, John B. (1990). Marketing today . Englewood Cliffs: Prentice Hall.

Chicago Style

Clark, John B. Marketing today. Englewood Cliffs: Prentice Hall, 1990. Printed Material.

MLA Style

Clark, John B. Marketing today. Englewood Cliffs: Prentice Hall, 1990. Printed Material.

Turabian Style

Clark, John B. Marketing today. Englewood Cliffs: Prentice Hall, 1990. Printed Material.