Cita APA (7a ed.)

Welsh, J. H. (1960). Laboratory exercises in invertebrates phisiology. Burgess.

Cita Chicago Style (17a ed.)

Welsh, John Henry. Laboratory Exercises in Invertebrates Phisiology. Minnesota - EEUU: Burgess, 1960.

Cita MLA (8a ed.)

Welsh, John Henry. Laboratory Exercises in Invertebrates Phisiology. Burgess, 1960.