American Psychological Association 7th edition

Helberg, J. L. (ca. 1969). Nahum, Jonah, Lamentations, Isaiah 51-53 (a possibility for establishing a connection) [Book]. Ou-Testamentiese Werkgemeenskap in Suid-Afrika: Meeting, 12 (1969) 46-55, 12 (1969) 46-55.

Chicago Manual of Style 17th edition (author-date)

Helberg, J. L. 1969. „Nahum, Jonah, Lamentations, Isaiah 51-53 (a possibility for establishing a connection)“. Book. Ou-Testamentiese Werkgemeenskap in Suid-Afrika: Meeting, Nr. 12 (1969) 46-55: 12 (1969) 46-55.

Springer - Basic (author-date)

Helberg JL (1969) Nahum, Jonah, Lamentations, Isaiah 51-53 (a possibility for establishing a connection). Ou-Testamentiese Werkgemeenskap in Suid-Afrika: Meeting 12 (1969) 46-55

Springer - Lecture Notes in Computer Science

1.Helberg, J.L.: Nahum, Jonah, Lamentations, Isaiah 51-53 (a possibility for establishing a connection). Ou-Testamentiese Werkgemeenskap in Suid-Afrika: Meeting. 12 (1969) 46-55 (1969).

DIN 1505-2 (author-date, Deutsch) - standard superseded by ISO-690

Helberg, J. L.: Nahum, Jonah, Lamentations, Isaiah 51-53 (a possibility for establishing a connection). In: Ou-Testamentiese Werkgemeenskap in Suid-Afrika: Meeting (1969), Nr. 12 (1969) 46-55, S. 12 (1969) 46-55

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.