American Psychological Association 6th edition

Shetler, S. G. [ca. 1973]. An Introduction to the botanical type specimen register. In Smithsonian contributions to botany [Book]. Washington: Smithsonian Inst. Press.

ISO-690 (author-date, English)

SHETLER, Stanwyn G., 1973. An Introduction to the botanical type specimen register. Washington: Smithsonian Inst. Press. Smithsonian contributions to botany, 12.

Modern Language Association 9th edition

Shetler, S. G. „An Introduction to the botanical type specimen register“. Smithsonian contributions to botany, book, Smithsonian Inst. Press, 1973.

Mohr Siebeck - Recht (Deutsch - Österreich)

Shetler, Stanwyn G.: An Introduction to the botanical type specimen register, . Smithsonian contributions to botany, Washington 1973.

Emerald - Harvard

Shetler, S.G. (1973), An Introduction to the botanical type specimen register, Smithsonian contributions to botany, Bd. , Smithsonian Inst. Press, Washington.

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