Cita APA

Blackman, R. L. 1. -., & Eastop, V. F. (1994). Aphids on the worldŽs trees: An identification and information guide. Wallingford: CAB International.

Citación estilo Chicago

Blackman, Roger L. 1941 -, y Victor Frank Eastop. Aphids On the WorldŽs Trees: An Identification and Information Guide. Wallingford: CAB International, 1994.

Cita MLA

Blackman, Roger L. 1941 -, y Victor Frank Eastop. Aphids On the WorldŽs Trees: An Identification and Information Guide. Wallingford: CAB International, 1994.