Citação norma APA

International Protea Research Symposium San Diego, Calif, International Society for Horticultural Science. Protea Working Group, International Society for Horticultural Science. Section for Ornamental Plants, Criley, R. A., & Parvin, P. E. (1990). Second International Protea Research Symposium: San Diego, California, U.S.A., March 7-8, 1989. International Society for Horticultural Science.

Citação norma Chicago

International Protea Research Symposium San Diego, Calif, International Society for Horticultural Science. Protea Working Group, International Society for Horticultural Science. Section for Ornamental Plants, Richard A. Criley, and Philip Eugene Parvin. Second International Protea Research Symposium: San Diego, California, U.S.A., March 7-8, 1989. Wageningen, Netherlands: International Society for Horticultural Science, 1990.

Citação norma MLA

International Protea Research Symposium San Diego, Calif, et al. Second International Protea Research Symposium: San Diego, California, U.S.A., March 7-8, 1989. International Society for Horticultural Science, 1990.

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