Παραπομπή APA

Robert Matheson. (1985). Entomology: For introductory courses. International book distributors.

Παραπομπή Chicago Style

Robert Matheson. Entomology: For Introductory Courses. Dehra Dun: International book distributors, 1985.

Παραπομπή MLA

Robert Matheson. Entomology: For Introductory Courses. International book distributors, 1985.