Cita APA

Riser, N. W., & Morse, M. P. (1960). Biology of the turbellaria. Mc graw Hill book company.

Chicago Edition Citation

Riser, Nathan W., i M Patricia Morse. Biology of the Turbellaria. New Delhi: Mc graw Hill book company, 1960.

Cita MLA

Riser, Nathan W., i M Patricia Morse. Biology of the Turbellaria. Mc graw Hill book company, 1960.