APA (7th ed.) Citation

De Groot, G. J. (1998). Student protest: The sixties and after. Longman.

Chicago Style (17th ed.) Citation

De Groot, Gerard J. Student Protest: The Sixties and After. London ; New York: Longman, 1998.

MLA (9th ed.) Citation

De Groot, Gerard J. Student Protest: The Sixties and After. Longman, 1998.