Citação norma APA

Heller, E., Kaczmarek, L. K., Hunkapiller, M. W., Hood, L. E., & Strumwasser, F. (1980). Purification and primary structure of two neuroactive peptides that cause bag cell afterdischarge and egg-laying in Aplysia.

Citação norma Chicago

Heller, E., L. K. Kaczmarek, M. W. Hunkapiller, L. E. Hood, and F. Strumwasser. Purification and Primary Structure of Two Neuroactive Peptides That Cause Bag Cell Afterdischarge and Egg-laying in Aplysia. 1980.

Citação norma MLA

Heller, E., et al. Purification and Primary Structure of Two Neuroactive Peptides That Cause Bag Cell Afterdischarge and Egg-laying in Aplysia. 1980.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.