APA (7th ed.) Citation

Ivailo Alexiev, Reneta Dimitrova, Lora Nikolova, Asya Kostadinova, Anna Gancheva, Ivaylo Elenkov, . . . Maria Nikolova. (2018). HIV-1 subtypes distributed among the heterosexsual population in Bulgaria. Elsevier.

Chicago Style (17th ed.) Citation

Ivailo Alexiev, et al. HIV-1 Subtypes Distributed Among the Heterosexsual Population in Bulgaria. Elsevier, 2018.

MLA (9th ed.) Citation

Ivailo Alexiev, et al. HIV-1 Subtypes Distributed Among the Heterosexsual Population in Bulgaria. Elsevier, 2018.

Warning: These citations may not always be 100% accurate.