APA

Adámek J., Herrlich H. & Strecker G. E. (1990). Abstract and concrete categories. New York, NY [u.a.]: Wiley.

Chicago

Adámek Jiří, Herrlich Horst and Strecker George E. 1990. Abstract and concrete categories. New York, NY [u.a.]: Wiley.

Harvard

Adámek J., Herrlich H. and Strecker G. E. (1990). Abstract and concrete categories. New York, NY [u.a.]: Wiley.

MLA

Adámek Jiří, Herrlich Horst and Strecker George E. Abstract and concrete categories. New York, NY [u.a.]: Wiley. 1990.