Styl cytowania APA

DeGroot, G. J., & De Groot, G. J. 1. H. (1998). Student protest: The sixties and after. Longman.

Styl cytowania Chicago

DeGroot, Gerard J., i Gerard J. 1955- Hrsg De Groot. Student Protest: The Sixties and After. London [u.a.]: Longman, 1998.

Styl cytowania MLA

DeGroot, Gerard J., i Gerard J. 1955- Hrsg De Groot. Student Protest: The Sixties and After. Longman, 1998.