APA

Thomas B. A., Pardoe H. S. & Fraser H. E. (1993). Bibliography of european palaeobotany and palynology 1990-1991. Krakow: W. Szafer Institute of Botany Polish Academy of Sciences.

Chicago

Thomas Barry A, Pardoe Heather S and Fraser Helen E. 1993. Bibliography of european palaeobotany and palynology 1990-1991. Krakow: W. Szafer Institute of Botany Polish Academy of Sciences.

Harvard

Thomas B. A., Pardoe H. S. and Fraser H. E. (1993). Bibliography of european palaeobotany and palynology 1990-1991. Krakow: W. Szafer Institute of Botany Polish Academy of Sciences.

MLA

Thomas Barry A, Pardoe Heather S and Fraser Helen E. Bibliography of european palaeobotany and palynology 1990-1991. Krakow: W. Szafer Institute of Botany Polish Academy of Sciences. 1993.