APA

Budzikiewicz H., Djerassi C. & Williams D. H. (1964). Structure elucidation of natural products by mass spectrometry : steroids terpenoids sugars and miscellaneous classes. San Francisco: Holden Day.

Chicago

Budzikiewicz Herbert, Djerassi Carl and Williams Dudley H. 1964. Structure elucidation of natural products by mass spectrometry : steroids terpenoids sugars and miscellaneous classes. San Francisco: Holden Day.

Harvard

Budzikiewicz H., Djerassi C. and Williams D. H. (1964). Structure elucidation of natural products by mass spectrometry : steroids terpenoids sugars and miscellaneous classes. San Francisco: Holden Day.

MLA

Budzikiewicz Herbert, Djerassi Carl and Williams Dudley H. Structure elucidation of natural products by mass spectrometry : steroids terpenoids sugars and miscellaneous classes. San Francisco: Holden Day. 1964.